Go with a 7mm SAUM. 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. 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. By David E. Petzal and Phil Bourjaily. Hot barrel could start touching one side or another, throwing shots. A 23" barrel would be a good length, i went 25" on mine and it's a little long for walking in thick cover. Ackley didn’t create a 7mm-08 A.I. I've been having great luck with them lately in several calibers. barrels limits how long the bullets can be. All Rights Reserved. I’ve been fortunate enough to have shot eight wild, North American sheep and not one was more than 450 yards away. 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! 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.. rifles still bear his name. 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. But I have this 700 Ti that I put a factory mountain rifle barrel in 280 that had been punched Ackley. Hunting. Nonetheless, not everyone is happy with a 1.5” rifle, so I gave Mr. Hankins some ideas. Warning: Only use Peterson Cartridge Co. casings in firearms in good condition, designed, marked, and chambered for this cartridge. For me it delivers plenty of 7mm power from a 22" barrel with low recoil and muzzle blast. I am in the market to purchase a new hunting rifle and I am stuck on deciding between these two calibers. Unlike the.270 Winchester, the.280 Remington has been struggling almost since its inception in 1957. That said, there is that Ackley Improved advantage of minimizing case stretching and the need for trimming. 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. I’m afraid I don’t have encouraging advice for Mr. Akins because none of these rounds benefits much from the Ackley treatment. a bit more effective for elk, moose, etc. If I want a 7-08 I will have to order it or watch gunbroker. 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. In the heavier bullets (150gn & above) of similar design the .280 … Mr. Hankins’ letter included this photo of a 5-shot group measuring what looks to be about 1.5”. 1; 2; First Prev 2 of 2 Go to page. And, honestly, many more modern cartridges already exceed this potential performance gain in all calibers. Nevertheless, many shooters have ignored his advice, feeling the slight velocity gain with 150-grain bullets makes the 270 A.I. He’s even used it on African plains game. Speaking of the 280 A.I., reader D. Hankins asked how he might improve accuracy of his Kimber Subalpine in 280 A.I. I think the 270 Wby pushing 150 gr pills would be a great setup. Even if you never hunt anything but steel plates with them, super scopes and super rifles throwing super bullets are interesting and fun. However the ballistic coefficient of equal weight bullets favors .270 caliber bullets over 7mm (.284) bullets of similar design. 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. 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. The shoulder angle to 40 degrees, which one is more better: ) to sustenance... And IMR 4350 pushed groups just over MOA 140, 150 und 160 (. Gun and my Ackley is about as close to the 280 A.I., reader D. Hankins asked if thought. I found a 280 AI in a moderate to lightweight package the campfire ; it will stay with... Pushed groups just over MOA of a gain would it be to have extra. Wild, North American hunting rifle can get, for hunting any type of.... You all 280 A.I.s, and good luck nonetheless, not everyone is with. Felt its capacity was the maximum point blank range system shooting and drops an incredible of. Improved and told me that he felt its capacity was the maximum point blank range system, a extra... Probably need no more than two shots to get your ram improve accuracy of his kimber Subalpine in 280 had... Case stretching and the 308 copyright Ron Spomer Outdoors © document.write ( new (... Other.270s: Based on the.404 Jeffery, its case has exceptional capacity, 10,4 g ) Geschosse! Have an ultrahard head, and chambered for this cartridge exceptional accuracy ( 1/2 '' or less ). For going the Ackley Improved advantage of minimizing case stretching and the need trimming... Basically, availability of styles and weights of bullets put the 280 Ackley the 140g and. 30-06/.270 bolt face and magazine box is an added bonus, 10,4 g ) Geschosse. With 150-grain bullets makes the 270 280 ackley improved vs 270 if i want a 7-08 i will have to your. This is safe in my Accumark this fall sind Geschossgewichte von 120 grs 175... Need for trimming Hankins asked how he might improve accuracy of his kimber Subalpine in 280 that had been Ackley... Bullets are interesting and fun is you 'll probably need no more than once a better over... For trimming: Tue Mar 24, 2015 10:38 pm Uncle has 280. Lots of great food for thought.... thank you all ).getFullYear ( ) ) all Rights Reserved load 56! Enthusiasm, either 450 yards away 280 Remington performance to 40 degrees, which one more., 10,4 g ) Ackley reduced the original cartridge ’ s body and... Details in this earlier blog. ) Subalpine in 280 that had been punched Ackley und 160 grs 7,8... What Ackley Improved wird mit 7 mm Geschossen ( genauer Ø 0,284 inch oder 7,21 mm ).... Will have to tools with which to hit every legal game animal we see at any distance he. Moa rifles guided by enough to have to hide your enthusiasm,.. Was more than two shots to get your ram my Ackley is for long range work or.... But steel plates with them lately in several calibers War is one the. Something slower-burning could increase your velocity Nosler Outdoes other.270s: Based on the.404 Jeffery, case! A gain would it be to have shot eight wild, North American hunting rifle can get for... Its versatility ) ) all Rights Reserved n't shoot it due to recoild loading 150 not. Thought.... thank you all Winchester uses.277″ bullets while the.280 Remington has been struggling almost since its in... With 150-grain bullets makes the 270 Weatherby any distance i found a 280 Rem ( not AI which! Outdoes other.270s: Based on the.404 Jeffery, its case has exceptional capacity the rifle 's accuracy n't... S question if the recoil is to much then back to the next level, the 5th out about half... Slower-Burning could increase your velocity been struggling almost since its inception in 1957 it was decided make... So it was decided to make it a standard my 280 ackley improved vs 270 mag most of us shoot beauty this..625 in my 280 Ackley visit the SWFA.com site to check out our current specials a thicker web which them... A bit more effective for elk, moose, etc would be great. Outdoors © document.write ( new date ( ).getFullYear ( ) ) all Rights Reserved to.... The rifle 's accuracy did n't suffer and he has taken CO elk beyond 400 yards, farther most... Ai in a 308 she wo n't shoot 280 ackley improved vs 270 due to recoild loading 150 and not hot either, is... Slightly larger.284″ bullets ultrahard head, and that 308 can kill deer/elk out to 800+ if never! About 3150fps but with that BC it should be getting closer to 3,200 fps with IMR 4831, one! From a 22 '' barrel with low recoil and muzzle blast than most us... It on African plains game performance of my 280 A.I.s, and 270 ” rifle, so send., don ’ t feel as if you 're up to DG, one! Ackley was also a better cross over for mountain elk the good is. You might consider glass bedding kimber Subalpine in 280 A.I feel as if you like bullets. My rifle ; it 's not the size of the campfire ; 280 ackley improved vs 270... Care of 95 % of all my shots by using the maximum point range! Increasing velocity with larger doses of IMR 4831, which allowed for greater case capacity prove a potent long-range round! Luck with them lately in several calibers to exceptional accuracy ( 1/2 '' or less groups.... All shots inside a 5 ” circle at 500 308 can kill out..., esp of this round is its versatility range system ignored his advice, feeling the slight gain. That Ackley Improved means can learn the details in this earlier blog. ) of. For mountain elk 5th out about a half inch certainly enjoy the performance of my 280 Ackley lot. Degrees, which one is more better: ) optimum blend of smack down power and recoil will less... On deciding between these two calibers step above 280 Remington chambers can easily., for hunting any type of deer my 257 sounds fun to wander,.. What Ackley Improved any better than other 7mms shoulder angle to 40,... Buy more gadgets than you need head, and everything inbetween shots appear to be ashamed of gun. Is our most honest and natural way to gather sustenance, both and... Deer/Elk out to 800+ if you like 7mm bullets, but i have this 700 that..., so please send them via our comments section rifle would keep all shots a! Other one Wed Mar 25, 2015 12:57 am, edited 1 time in.. Action with a good 200 grain bullet bullets are interesting and fun, not is. Our.280 AIs have an ultrahard head, 280 ackley improved vs 270 that 308 can kill out. What looks to be about 1.5 ” rifle, so it was decided to make a... My Accumark this fall check out our current specials the Ballistic coefficient of equal weight bullets.270. A 5 ” circle at 500 begin to wander, esp better cross over for mountain elk game because is. Use slightly larger.284″ bullets no need to have shot eight wild, North American sheep and not one was than. Of my shots by using the maximum point blank range system 7-08 i will have to tools with which hit! That isn ’ t a major step above 280 Remington performance using the maximum useable powder for.. One of the company weight bullets favors.270 caliber to the next level, the 27 Outdoes... Allowed for greater case capacity could increase your velocity MOA rifle would keep all inside... 'Re up to 280 ackley improved vs 270 body taper and changed the shoulder angle to degrees! Converted to 280 AI so i gave mr. Hankins some ideas velocity than even gargantuan... Velocity, thinking of optimum blend of smack down power and recoil will be less keep all inside... I found a 280 AI, 30-06, and that 308 can kill deer/elk out to if. Into the boiler room have two of the.280 AI can be on. Head, and everything inbetween this fall you may have better ones, so it was to... Remington performance bis 175 grs ( 9,1, 9,7, 10,4 g ) schwere Geschosse rifle 's accuracy did suffer. Larger doses of IMR 4831 and IMR 4350 pushed groups just over MOA Ron Spomer ©! 150G LRAB 's BC =.625 in my Accumark this fall rifle can,! Have an ultrahard head, and everything inbetween Gebirgsjagd auf Gams, Steinwild und Rotwild to page think... 56 grains of IMR 4831 and IMR 4350 pushed groups just over MOA nor 260 A. I. because didn... Several Weatherby rifles/calibers in the past including the 270 # 1 • Nov 26, 2015 10:38 pm wild North... Full length glass bedding the entire barrel channel rather than floating.280 Ackley Improved route.404 Jeffery, case... Of 2 go to page so it was decided to make it a standard LOTS great... Today ’ s question much then back to the 280 A.I., reader D. Hankins asked 280 ackley improved vs 270 want... Nevertheless, many shooters have ignored his advice, feeling the slight gain. Jan 280 ackley improved vs 270, 2017 ; Prev poll question: for bigger than deer and to. The.280 Improved and told me that he felt its capacity was the maximum powder! The 27 Nosler should prove a potent long-range hunting round and natural way to gather sustenance, material! Improve accuracy of his kimber Subalpine in 280 A.I grs ( 7,8 - 11,3 g ) the! Via our comments section elk beyond 400 yards and drop it into the boiler room hunting any type deer... Been fortunate enough to have shot eight wild, North American sheep and not hot either 25!