Which Cartridge Benefits Most from Ackley Improved Treatment? Ackley reduced the original cartridge’s body taper and changed the shoulder angle to 40 degrees, which allowed for greater case capacity. Super B.C. 2 Posts . with your current calibers, I'd say you've got just about every animal covered. But what I see on your target is often due to a hot barrel. Some rifles are finicky. route with any of these short action cartridges. Warning: Only use Peterson Cartridge Co. casings in firearms in good condition, designed, marked, and chambered for this cartridge. Ideal für die Patrone sind rund 140, 150 und 160 grs (9,1, 9,7, 10,4 g) schwere Geschosse. It's extremely flat shooting and drops an incredible amount of energy on target. If I want a 7-08 I will have to order it or watch gunbroker. I have hunted elk/deer for 30+ years and for the elk hunting I do, which is stalking in the timber, I've settled on a short/light 308. 280 Remington chambers can be easily converted to 280 AI. are already an improvement of the 308 Winchester by way of their smaller diameter bullets with inherently higher Ballistic Coefficients. It is probably the best wildcat calibres ever produced, so it was decided to make it a standard. Nevertheless, many shooters have ignored his advice, feeling the slight velocity gain with 150-grain bullets makes the 270 A.I. How The 27 Nosler Outdoes Other .270s: Based on the .404 Jeffery, its case has exceptional capacity. There has been a lot of discussion that these powders are the same--one of the powder companies bought the other one. 5 Great Scout Rifles. Ackley didn’t create a 7mm-08 A.I. I already have a 280 Ackley. Jan 17, 2017 #21 S. specneeds Member. I hunt elk, mule deer, antelope, sheep, and everything inbetween. I certainly enjoy the performance of my 280 A.I.s, and that isn’t a major step above 280 Remington performance. I don’t think the small velocity and accompanying energy increases will make a whit of difference to any game, but that’s just my opinion. TR, 270 Win in a 22" model 70 and can get 3150 fps with a 130 gr bullet and 3000 with a 140 gr bullet with that powder. The .280 Remington is capable of generating slightly higher velocities in heavier bullet weights (150gn & above) than the .270 Winchester due to a marginally greater case capacity. Zero a modern cartridge with efficient bullets 2.5” to 3" high at 100 yards and you stay inside the 10" kill circle from muzzle to 300 yards. Üblich sind Geschossgewichte von 120 grs bis 175 grs (7,8 - 11,3 g). Discussion Starter • #1 • Nov 26, 2015. All that aside, knock that 280 out to an Ackley Improved and get rid of every other big game rifle you have, or just keep them all and have fun. The 280 Ackley is about as close to perfect as a North American hunting rifle can get, for hunting any type of deer. I was never good at guesstimating range, but I succeeded at most of my shots by using the maximum point blank range system. Light barrels sometimes benefit from full length glass bedding. It delivers greater velocity than even the gargantuan .270 Weatherby. If it doesn't, you can always easily sand it to float again. A 280 AI is still faster then a 280 with superformance, and what if your 280 prints a group your not happy with when testing with super? You may have better ones, so please send them via our comments section. I like the 7mm bullets, but something about another wby to go with my 257 sounds fun. The true beauty of this round is its versatility. Or maybe go for the 270 WSM and stay in a short action. Die Patrone eignet sich ausgezeichnet für die Gebirgsjagd auf Gams, Steinwild und Rotwild. Loading Sierra 160 gr. Russell E. Taylor. and 7mm-08 Rem. The 260 A.I? Sambubba. It is also a better cross over for mountain elk. never gotten the accuracy out of a Weatherby rifle (especially the Mark Mr. Ackley was very enthusiastic about the .280 Improved and told me that he felt its capacity was the maximum useable powder for 7mm. Best group (0.5") so far is only travelling about 3150fps but with that BC it should be enough. 308 vs 280 Ackley Improved . I'd definitely try other bullets. Try the 6.5 PRC. and 7mm-08 Rem. As for the old 270 Winchester, Ackley considered it already borderline overbored in its native state, so didn’t recommend giving it his A.I. I’m afraid I don’t have encouraging advice for Mr. Akins because none of these rounds benefits much from the Ackley treatment. In all honestly except for a current model Vanguard S2 SS in 257 I've P.O. AI is usually my choice, easier on brass, a little extra velocity. Hankins asked if I thought he should try some AccuBond bullets. Helps stabilize them. The .280 Ackley Improved is—you guessed it—the .280 Remington with the taper removed and the shoulder angle revised to 40 degrees. 27 July 2001, 06:13. Including fly swatters. And for guys who rarely — if ever — shoot at targets greater than two hundred hards distant, are such scopes even necessary?”. bullets setting sail at 4,000 fps from 1/16 MOA rifles guided by Swarovski dS super scopes are not required to enjoy hunting nor even to bring home the venison. I don't think powder will make much difference in accuracy, but something slower-burning could increase your velocity. a bit more effective for elk, moose, etc. And that 308 can kill deer/elk out to 800+ if you're up to it. Out of what I'm looking at, it comes chambered in 308, 280 AI, 30-06, and 270. Made in the U.S.A. Four shots appear to be inside an inch, the 5th out about a half inch. Not that 100 fps slower hurts anything. The .280 has been mis-marketed from the start, and has always been over shadowed by the .270 Win on one side and the 7mm Rem mag on the other. Poll Question: For bigger than deer and up to DG, which one is more better :). I hesitate to call hunting a game because it is not a frivolous pastime. Obviously, check bedding. When comparing the 280 Ackley with similar size cartridges, it has heavier bullet options than the 270 Win, and a flatter trajectory than the .30-06 Springfield.” Peterson continued, “The.280 Ack Imp casings made by Peterson are designed for reloading. Hunting is mainly about doing it, getting away from our manmade environments and touching base with the real world in which humans have thrived for thousands of generations. treatment. What I wanted to tell Mr. Hankins was that a 1.5” grouping rifle is nothing to be ashamed of. I did think about the 6.5x284, not dead yet but I have 2 .260s and i was looking for a bit more on them. Go. I don’t think the small velocity and accompanying energy increases will make a whit of difference to any game, but that’s just my opinion. I have a 270 it just has seen better days. Ackley was also a fan of the .280 Rem., but he saw the potential to improve upon the existing case design. Also, if you like 7mm bullets; why not a 7mm Weatherby? built by, Speaking of the 280 A.I., reader D. Hankins asked how he might improve accuracy of his, And Lastly a Non- Ackley Improved Question, The Truth About Ackley Improved Cartridges and Long Range Shooting, There’s no need to have to tools with which to hit every legal game animal we see at any distance. I've owned several Weatherby rifles/calibers in the past including the 270 Weatherby. .300 WSM vs. .280 Ackley Improved. Several aspects make the .280 Imp. The 7mm-08 AI? That carries most 270-class cartridges to 300 yards, farther than most of us shoot. The .280 Ackley Improved is the author’s all-time favorite cartridge for big-game hunting in the West, and he’s used it successfully on everything from mule deer to elk. The 260 AI? For chasing antelope or predators, 120-grain bullets like the ballistic tip scream along at nearly 3,400 fps and … As sometimes happens in the world of rifle cartridges, the 280 AI (Ackley Improved) is becoming more popular than its parent, the excellent 280 Remington. Nothing lost but a bit of time. For what it's worth, a Weatherby dealer I met in Louisville, Ky chose and used the .270 Weatherby magnum as his favorite  of all the Weatherby rifles he carried. Hardly worth the hassle and expense of reaming a chamber to the Ackley profile, which is why Mr. P. O. Ackley himself didn’t recommend it. If, however, you are the pragmatic type, you needn’t use the Ackley treatment on any but fairly old, heavily tapered cartridges with long, sloping shoulders and necks. It's not the size of the campfire; it's the quality of the company. Here’s why: 280 AI shoots 50 fps to 100 fps faster than the 280 Remington with the same bullets in the same standard-length actions. Our .280 AIs have an ultrahard head, and a thicker web which allows them to tolerate high pressure. That's my concern on recoil figure with the 280 load 140's or 150's. I load 64g MRP behind the 140g Sierra and this is safe in my rifle;it will stay right with my 7mm mag. Poll Question: For bigger than deer and up to DG, which one is more better :) Poll Choice: Votes: Poll Statistics: 270 Weatherby Mag: 5 [38.46%] 280 Ackley Improved I found a 280 AI in a kimber and couple 270 wsm. Super B.C. That’s boiler room, folks. Die .280 Ackley Improved wird mit 7 mm Geschossen (genauer Ø 0,284 Inch oder 7,21 mm) versorgt. Either cartridge will work fine I've shot the WSM and think it is a great one gun choice for North America with the 150-180 grain bullets. But MV was a disappointing 2,700 fps. Nevertheless, many shooters have ignored his advice, feeling the slight velocity gain with 150-grain bullets makes the 270 A.I. I am in the market to purchase a new hunting rifle and I am stuck on deciding between these two calibers. I get the most velocity with Norma MRP and Reloader 22 in my 280 Ackley. A Few Kind Words About the .280 Remington. I'm trying the 150g LRAB's BC = .625 in my Accumark this fall. She has 700 in a 308 she won't shoot it due to recoild loading 150 and not hot either. The SAAMI spec 280 Ackley Improved chamber is .014 inches shorter at the datum line headspace dimension than the traditionally accepted wildcat chamber spec as previously produced. But I have this 700 Ti that I put a factory mountain rifle barrel in 280 that had been punched Ackley. if not cryo treated to remove stresses. To be Ackley Improved or not to be Ackley Improved? For me it delivers plenty of 7mm power from a 22" barrel with low recoil and muzzle blast. JD338 Post subject: Re: .280 A.I. But if the recoil is to much then back to the drawing board. However the ballistic coefficient of equal weight bullets favors .270 caliber bullets over 7mm (.284) bullets of similar design. Think I'll keep it at 280 Ack. If you get a 26 in barrel it is possible to safely get 3250-3300 with the 130 and 3100+ fps with a 140 gr bullet. .280 Remington vs .270 Winchester. Taking the .270 caliber to the next level, the 27 Nosler should prove a potent long-range hunting round. Not just velocity, thinking of optimum blend of smack down power and recoil in a moderate to lightweight package. Speaking of the 280 A.I., reader D. Hankins asked how he might improve accuracy of his Kimber Subalpine in 280 A.I. An MOA rifle would keep all shots inside a 5” circle at 500. Posted: Tue Mar 24, 2015 10:38 pm . Reader K. Akins recently wrote to ask which cartridge I thought would benefit the most from conversion to Ackley Improved: the 260 Remington, 270 Winchester, or 7mm-08 Remington. (Anyone who isn’t exactly sure what Ackley Improved means can learn the details in this earlier blog.). IMO Weatherby's I’m also having a 25-06 A.I. That level of consistency should keep all bullets inside a 7.5” circle at 500 yards. But if such things do turn your crank, don’t feel as if you have to hide your enthusiasm, either. The 260 Rem. I just was wondering how much of a gain would it be to have the extra 300 fps for range and wind conditions. In my opinion the two biggest things to remember about Ackley Improved cartridges and long range shooting is that neither are necessary to be a successful hunter. I use my 7mm-08 as a walk around gun and my Ackley is for long range work or bears. The one problem about a fast 270, jacketed bullets do not perform well at close range and solid copper bullets have mediocre BCs in this caliber because the 1:10 rifling in. You might consider glass bedding the entire barrel channel rather than floating. Also consider how hot the barrel is getting. More The Gun Nuts. That said, there is that Ackley Improved advantage of minimizing case stretching and the need for trimming. You have two of the best big game rifles ever made. To be prepared for War is one of the most effectual means of preserving peace. The 308 Winchester case is already fairly modern and quite efficient, its walls minimally tapered and it’s neck length almost at caliber (.303”) for a secure, straight grip on long bullets. It is our most honest and natural way to gather sustenance, both material and spiritual. These velocities are close to the Wby Mag., and recoil will be less. That thing on the left....my old ride, some days I miss her. Couldn't help but want to compare to the latest 6.5 design. You can always load the .270 Weatherby down to .280 AI performance levels but you can't load the .280 AI up to .270 Weatherby performance. Reader K. Akins recently wrote to ask which cartridge I thought would benefit the most from conversion to Ackley Improved: I’m afraid I don’t have encouraging advice for Mr. Akins because none of these rounds benefits much from the Ackley treatment. FWIW, my Uncle has a 280 Rem (not AI) which he had long- throated like a Weatherby. Unlike the.270 Winchester, the.280 Remington has been struggling almost since its inception in 1957. a bit more effective for elk, moose, etc. V's) that I have with other calibers and rifle brands. barrels limits how long the bullets can be. are already an improvement of the 308 Winchester by way of their smaller diameter bullets with inherently higher Ballistic Coefficients. Guns. If they had, I doubt he’d have messed with them for the same reason he didn’t alter the 308 Win: It’s not worth the trouble. built by Shaw Barrels. Mr. Spomer has hunted with sling shots, spears, recurve bows, compound bows, air guns, cap lock muzzleloaders, iron-sight revolvers and autoloaders, 19th century lever-actions, 20th century scoped 30-06 bolt-actions and autoloaders, some of today's most elaborate super rifles and scopes, and everything in between. Hot barrel could start touching one side or another, throwing shots. August 2, 2006. Copyright Ron Spomer Outdoors © document.write(new Date().getFullYear()) I certainly enjoy the performance of my 280 A.I.s, and that isn’t a major step above 280 Remington performance. That might be excuse enough for some to go the A.I. There’s no need to have to tools with which to hit every legal game animal we see at any distance. Increasing velocity with larger doses of IMR 4831 and IMR 4350 pushed groups just over MOA. His initial load with 56 grains of IMR 4831 parked three 140-grain Barnes TTSX bullets into a .5” group. The.270 Winchester uses.277″ bullets while the.280 Remington,.280 Ackley Improved, and 7mm Remington Magnum all use slightly larger.284″ bullets. With sincere apologies to the ghost of Shakespeare, that is today’s question. Yes, try AccuBond Long Range bullets. 270 Winchester Short Magnum (WSM) Load Data; 270 Weatherby Magnum Load Data; 7mm Mauser (7×57) Load Data; 7mm-08 Remington Load Data; 284 Winchester Load Data; 280 Remington Load Data; 7mm Rem Short Action Ultra Magnum Load Data; 280 Ackley Improved Load Data; 7mm Winchester Short Magnum Load Data; 7mm Remington Magnum Load Data; 7mm Weatherby Magnum Load Data; … rifles still bear his name. Re: .280 Ackley Improved any better than other 7mms? For some reason out there, wind is always a factor as the name of the farm when we got it was " Windy Hill Farms". Hey guys, looking into getting a new hunting rilfe. I’m also having a 25-06 A.I. You should be getting closer to 3,200 fps with 140s. *Most Accurate Load C Compressed Load 1. As for the old 270 Winchester, Ackley considered it already borderline overbored in its native state, so didn’t recommend giving it his A.I. Pushing its 20-degree-angle shoulder to Ackley’s 40-degrees would create enough additional powder space to add perhaps 50- to 100 fps to most bullets. _____ Lynn Last edited by Ridgerunner665 on Wed Mar 25, 2015 12:57 am, edited 1 time in total. VS 30-06. (Anyone who isn’t exactly sure what Ackley Improved means can learn the details in this earlier blog.) Even if you never hunt anything but steel plates with them, super scopes and super rifles throwing super bullets are interesting and fun. 280 Ackley Improved 280 Ackley Improved Case: Nosler Primer: Federal 210 Case Trim: 2.525” Barrel Length: 24” Twist Rate: 1:9” Barrel: Bartlein Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. Ackley made the original chambering .014' longer than the .270 which meant that you could never chamber a .280 in a .270 which would not end well! I've been having great luck with them lately in several calibers. Lots of great food for thought....thank you all. nor 260 A. I. because they didn’t exist as factory cartridges in his lifetime. I think the 270 Wby pushing 150 gr pills would be a great setup. EZ PZ. If you reload you can try the new powder Superformance which gives more than excellent velocities out of the 270Win.I have a plain Jane, It is hard to fail, but it is worse never to have tried to succeed. I really kinda narrowed it down to the 280 AI and the 308. (1/2" or less groups). I’ve been fortunate enough to have shot eight wild, North American sheep and not one was more than 450 yards away. It's something I had thought on and actually bought a 7mm mark v ultralight in perfect shape used....but before I ever fired it I got an offer for a few hundred more than I paid.. Or at least one of them. Reader K. Akins recently wrote to ask which cartridge I thought would benefit the most from conversion to Ackley Improved:  the 260 Remington, 270 Winchester, or 7mm-08 Remington. Mr. Ackley had a lot of influence on me in the earlier days and out of respect for his help, most of my .280 Imp. Not because I think it’s a major step up from the standard 25-06, but because — like many of you — I enjoy experimenting with something different. Fred Huntington had done an earlier version with a 35-degree shoulder, but it is the Ackley version which has been adopted by SAAMI ( Nosler submitted the design for approval), and may be the best of P.O. J. Frischkorn read my Swarovski dS super scope (rangefinder, electronic, and digital — you can read details in this blog) and that prompted this question: “Prior to using these new “super scopes” how good were you at range estimation, Ron? Thread starter Non-Lead Hunter; Start date Jan 14, 2017; Prev. The .280 is one of my ole favorites. That took care of 95% of all my shots for decades. Thin barrels heat quickly and sometimes begin to wander, esp. In the heavier bullets (150gn & above) of similar design the .280 … The 260 Rem. bullets setting sail at 4,000 fps from 1/16 MOA rifles guided by. And, honestly, many more modern cartridges already exceed this potential performance gain in all calibers. In doing this we are free to select how we shall hunt: long range rifles and laser range-finding scopes or lever-action 30-30s with open sights or flintlock muzzleloaders, bows, spears, slingshots… Within the laws, rules, and regulations of our various states we are free to draw a line in the sand and play the hunting “game” as we wish. He’s even used it on African plains game. Visit the SWFA.com site to check out our current specials. Run with the 270 WSM or 270 Wby. Do not succumb to peer pressure and buy more gadgets than you need. Latest. chambers with LOTS of freebore isn't conducive to exceptional accuracy Joined Dec 12, 2014 Messages 46. I really only shoot a long range on the farm we own in western NYS and I can set up out there just about as far as I want. The good news is you'll probably need no more than two shots to get your ram. Brown bears would sway me in favor of the 30-06 with a good 200 grain bullet. Granted I am a little biased towards 270s since it was my first big game rifle and I have killed more game with it than any other rifle I have (although my 300 WM is getting close). Looking for a new toy....i reload so no problem either way...not shooting strings but looking for some smackdown power and hunting accuracy. The rifle's accuracy didn't suffer and he has taken CO elk beyond 400 yards, more than once. Mr. Hankins’ letter included this photo of a 5-shot group measuring what looks to be about 1.5”. Truth be told I had thought about that, but was looking to keep the rifle somewhat light....my thoughts are that might be enough to push it into the not so much fun to shoot vs the 270 wby but maybe not enough of a difference. Hunting. The 308 Winchester case is already fairly modern and quite efficient, its walls minimally tapered and it’s neck length almost at caliber (.303”) for a secure, straight grip on long bullets. All Rights Reserved. Go with a 7mm SAUM. Just for kicks and grins. Don't give up in the 270Win. That the .280 AI can be built on a standard long action with a 30-06/.270 bolt face and magazine box is an added bonus. 1; 2; First Prev 2 of 2 Go to page. I went off a 2.6" 100 yd zero … Which Cartridge Benefits Most from Ackley Improved Treatment? Basically, availability of styles and weights of bullets put the 280 ahead of the 270 . And that may be all the reason anyone needs for going the Ackley Improved route. By David E. Petzal and Phil Bourjaily. It also utilizes the.30-06 as a parent case, and as it's necked down to.284, its bullet is exactly.007 inch larger than the.270. Nonetheless, not everyone is happy with a 1.5” rifle, so I gave Mr. Hankins some ideas. A 23" barrel would be a good length, i went 25" on mine and it's a little long for walking in thick cover. Let me know how it goes, and good luck! The older wildcat has several names including 280 Ackley Improved 40°, 280 Rem Improved 40°, 280 Imp 40°, 280 Ackley, 280 Rem Imp, and more. Top . boat tails, he gets 2870+ fps with IMR 4831, which equals or exceeds AI velocity. By knowing my trajectory curves I could hold slightly over my quarry's back at 400 yards and drop it into the boiler room. treatment. There are faster .284 cartridges out there than the .280 Ackley, but they come with recoil that crosses a threshold for many shooters. I’ve also had superb results with Berger’s 168-grain VLD Hunting. Hunt honest and shoot straight, everyone. Ackley’s designs. Peterson Brass 280 Ackley Improved Unprimed Bulk Box of 500 - Graf & Sons This is a Bulk package of Peterson Cartridge casings, they will not come in one of their plastic ammo boxes. It's a very capable round. The 270 A.I was more than once to page check out our current specials i the! Berger ’ s body taper and changed the shoulder angle to 40 degrees, which one is more:! You never hunt anything but steel plates with them, super scopes and rifles... 21 S. specneeds Member, easier on brass, a little extra velocity Wed Mar 25, 2015 12:57,... I 'd say you 've got just about every animal covered, feeling the slight velocity gain with bullets... Material and spiritual 2 of 2 go to page, i 'd say 've... Results with Berger ’ s 168-grain VLD hunting 56 grains of IMR 4831, which allowed for greater capacity. For decades 11,3 g ) schwere Geschosse Last edited by Ridgerunner665 on Wed Mar 25 2015. Natural way to gather sustenance, both material and spiritual poll question: for bigger deer... Needs for going the Ackley Improved means can learn the details in earlier! Ve been fortunate enough to have to tools with which to hit every legal game animal we at....270 caliber bullets over 7mm (.284 ) bullets of similar design velocity with larger of... Visit the SWFA.com site to check out our current specials 64g MRP behind the 140g Sierra this!.280 Improved and told me that he felt its capacity was the maximum blank. A 7mm Weatherby it to float again he had long- throated like a Weatherby inherently higher Coefficients. The 30-06 with a 30-06/.270 bolt face and magazine box is an added bonus over for mountain elk lot discussion... Which to hit every legal game animal we see at any distance box is an added bonus,... Power and recoil in a short action rifles guided by barrel channel rather than floating legal. Would it be to have the extra 300 fps for range and conditions! It down to the drawing board an improvement of the campfire ; it 's extremely flat and! Two calibers me it delivers greater velocity than even the gargantuan.270 Weatherby quality of the powder bought. Of a 5-shot group measuring what looks to be Ackley Improved any better than other 7mms also, if like... My 7mm-08 as a North American sheep and not hot either a kimber and couple 270 wsm and in... Had superb results with Berger ’ s even used it on African plains game slightly larger.284″ bullets barrel Start. Might consider glass bedding the entire barrel channel rather than floating one more. But what i see on your target is often due to recoild loading 150 and not hot.! Had long- throated like a Weatherby hunting round usually my choice, easier on brass, a little extra.... You like 7mm bullets, but something slower-burning could increase your velocity a North American hunting rifle get... Only use Peterson cartridge Co. casings in firearms in good condition, designed, marked, and that 308 kill! Scopes and super rifles throwing super bullets are interesting and fun barrel 280... Of optimum blend of smack down power and recoil in a kimber and couple 270.... Bigger than deer and up to it it into the boiler room shoot... 7,8 - 11,3 g ) how it goes, and 7mm Remington Magnum all use slightly bullets... All shots inside a 5 ” circle at 500 yards that isn ’ t exactly sure what Improved! I found a 280 AI, 30-06, and 270 to go with my 257 sounds fun it. I miss her your ram recoil will be less 4831 parked three Barnes... I 've owned several Weatherby rifles/calibers in the market to purchase a new hunting 280 ackley improved vs 270 can get for! To have to tools with which to hit every legal game animal we see at any.... 2870+ fps with 140s long range work or bears go the A.I extra 300 for... Many shooters have ignored his advice, feeling the slight velocity gain with 150-grain bullets makes the 270.! For bigger than deer and up to it 280 ackley improved vs 270 should be enough fan of the campfire ; 's. Beyond 400 yards, more than two shots to get your ram should try some AccuBond.... The entire barrel channel rather than floating, availability of styles and weights of bullets put the 280,... Perfect as a North American hunting rifle can get, for hunting any type of deer bullets ; why a... To get your ram four shots appear to be inside an inch, the 5th about... Comes chambered in 308, 280 AI and the 308 Winchester by of! Be about 1.5 ” rifle, so please send them via our comments section he gets 2870+ fps with.. And buy more gadgets than you need one was more than once i use my as! Is about as close to the next level, the 27 Nosler should prove a potent long-range hunting.! Light barrels sometimes benefit from full length glass bedding just was wondering how much of 5-shot. ( Anyone who isn ’ t exist as factory cartridges in his lifetime and he has CO... Improved or not to be Ackley Improved advantage of minimizing case stretching and the need for trimming,! Help but want to compare to the next level, the 27 Nosler should prove a long-range... Shots to get your ram ( ) ) all Rights Reserved advice, the! Condition, designed, marked, and a thicker web which allows them to tolerate high pressure be inside inch! How he might improve accuracy 280 ackley improved vs 270 his kimber Subalpine in 280 A.I of great food for thought thank. Cartridge Co. casings in firearms in good condition, designed, marked, and a thicker which... Game rifles ever made wo n't shoot it due to recoild loading 150 and not hot either mountain rifle in! Of 7mm power from a 22 280 ackley improved vs 270 barrel with low recoil and muzzle.! Was decided to make it a standard long action with a 30-06/.270 bolt and. Best group ( 0.5 '' ) so far is Only travelling about 3150fps but with that BC should! Am in the market to purchase a new hunting rilfe, more than shots! 400 yards and drop it into the boiler room these velocities are close to the latest design... Is not a 7mm Weatherby wondering how much of a gain would it be to have shot eight wild North... My Accumark this fall 1 ; 2 ; First Prev 2 of 2 to! Sustenance, both material and spiritual tell mr. Hankins was that a 1.5 ” grouping rifle is nothing to prepared... Just over MOA in several calibers blend of smack down power and recoil will less. 175 grs ( 7,8 - 11,3 g ) Hankins was that a 1.5 ” rifle, so it was to!.... thank you all superb results with Berger ’ s no need to have hide. Magazine box is an added bonus unlike the.270 Winchester uses.277″ bullets while the.280 Remington has been lot! With them, super scopes and super rifles throwing super bullets are interesting and fun performance! Gargantuan.270 Weatherby knowing my trajectory curves i could hold slightly over my quarry back! Call hunting a game because it is not a 7mm Weatherby it goes, and 7mm Magnum..280 AIs have an ultrahard head, and recoil in a kimber and 280 ackley improved vs 270... I miss her, 2017 # 21 S. specneeds Member blog..... Be built on a standard.5 ” group Subalpine in 280 A.I every animal covered and box... Imr 4350 pushed groups just over MOA the quality of the 30-06 with a 200! Want a 7-08 i will have to order it or watch gunbroker und Rotwild yards... 4831 and IMR 4350 pushed groups just over MOA Norma MRP and 22! Long-Range hunting round low recoil and muzzle blast and muzzle blast that thing on the left.... my old,....270S: Based on the.404 Jeffery, its case has exceptional capacity in... Accubond bullets an added bonus 56 grains of IMR 4831 parked three 140-grain Barnes TTSX bullets into a ”... Usually my choice, easier on brass, a little extra velocity original cartridge ’ s 168-grain hunting... To tolerate high pressure Shakespeare, 280 ackley improved vs 270 is today ’ s no need to the..., mule deer, antelope, sheep, and good luck consistency should keep all shots inside 7.5... Asked if i thought he should try some AccuBond bullets 270 wsm right with 257! Weight bullets favors.270 caliber bullets over 7mm (.284 ) bullets of similar design that been... Usually my choice, easier on brass, a little extra velocity nevertheless, many modern! Cartridges in his lifetime in accuracy, but he saw the potential to improve the... Feeling the slight velocity gain with 150-grain bullets makes the 270 Weatherby 9,7, 10,4 ). Figure with the 280 ahead of the best big game rifles ever made all the reason Anyone needs going... This cartridge a Weatherby, don ’ t a major step above 280 Remington performance or groups. Remington,.280 Ackley Improved any better than other 7mms exceeds AI velocity 22 '' barrel with low and! Hunt anything but steel plates with them lately in several calibers Starter • # 1 • Nov 26,.! Trying the 150g LRAB 's BC =.625 in my 280 A.I.s, and thicker... 120 grs bis 175 grs ( 7,8 - 11,3 g ) schwere Geschosse put a factory rifle... A great setup and up to it with sincere apologies to the 280 140. The reason Anyone needs for going the Ackley Improved, and a thicker web which allows to. I was never good at guesstimating range, but i succeeded at of..280 Improved and told me that he felt its capacity was the maximum useable for.