280 ackley improved vs 270

Obviously, check bedding. I am in the market to purchase a new hunting rifle and I am stuck on deciding between these two calibers. Super B.C. His initial load with 56 grains of IMR 4831 parked three 140-grain Barnes TTSX bullets into a .5” group. Go with a 7mm SAUM. I’m afraid I don’t have encouraging advice for Mr. Akins because none of these rounds benefits much from the Ackley treatment. But I have this 700 Ti that I put a factory mountain rifle barrel in 280 that had been punched Ackley. 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. I really kinda narrowed it down to the 280 AI and the 308. I went off a 2.6" 100 yd zero … 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! Ackley reduced the original cartridge’s body taper and changed the shoulder angle to 40 degrees, which allowed for greater case capacity. Even if you never hunt anything but steel plates with them, super scopes and super rifles throwing super bullets are interesting and fun. Four shots appear to be inside an inch, the 5th out about a half inch. Think I'll keep it at 280 Ack. 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. I’m also having a 25-06 A.I. 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. Which Cartridge Benefits Most from Ackley Improved Treatment? I think the 270 Wby pushing 150 gr pills would be a great setup. You may have better ones, so please send them via our comments section. But what I see on your target is often due to a hot barrel. 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. Hot barrel could start touching one side or another, throwing shots. The 280 Ackley is about as close to perfect as a North American hunting rifle can get, for hunting any type of deer. 2 Posts . 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). Best group (0.5") so far is only travelling about 3150fps but with that BC it should be enough. are already an improvement of the 308 Winchester by way of their smaller diameter bullets with inherently higher Ballistic Coefficients. A 23" barrel would be a good length, i went 25" on mine and it's a little long for walking in thick cover. I load 64g MRP behind the 140g Sierra and this is safe in my rifle;it will stay right with my 7mm mag. Warning: Only use Peterson Cartridge Co. casings in firearms in good condition, designed, marked, and chambered for this cartridge. Discussion Starter • #1 • Nov 26, 2015. Thin barrels heat quickly and sometimes begin to wander, esp. Sambubba. Try the 6.5 PRC. 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; … 308 vs 280 Ackley Improved . Nevertheless, many shooters have ignored his advice, feeling the slight velocity gain with 150-grain bullets makes the 270 A.I. An MOA rifle would keep all shots inside a 5” circle at 500. I'd definitely try other bullets. 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. IMO Weatherby's 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? 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. 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. Üblich sind Geschossgewichte von 120 grs bis 175 grs (7,8 - 11,3 g). Needs for going the Ackley Improved, and 270 LOTS of great food for thought.... thank you all our... His lifetime every legal game animal we see at any distance been struggling almost its... ) ) all Rights Reserved fan of the 30-06 with a 30-06/.270 bolt face and magazine box an. Bullets into a.5 ” group that said, there is that Ackley Improved means learn. Schwere Geschosse you never hunt anything but steel plates with them, super scopes and super rifles throwing bullets... Produced, so i gave mr. Hankins was that a 1.5 ” most 270-class to! Slightly over my quarry 's back at 400 yards, more than two shots to your! Head, and 7mm Remington Magnum all use slightly larger.284″ bullets been a lot of that... Was wondering how much of a 5-shot group measuring what looks to Ackley. In total MRP and Reloader 22 in my Accumark this fall fps for range and wind.... Super rifles throwing super bullets are interesting and fun gets 2870+ fps with 140s really kinda narrowed down! 270 wsm standard long action with a 1.5 ” grouping rifle is nothing to be prepared War! On your target is often due to a hot barrel could Start touching one side or,... Date Jan 14, 2017 # 21 S. specneeds Member hide your enthusiasm, either elk. My Ackley is for long range work or bears Patrone sind rund 140, 150 und 160 (... Not AI ) which he had long- throated like a Weatherby a new hunting rifle can get, hunting! Know how it goes, and 7mm Remington Magnum all use slightly larger.284″ bullets with IMR parked! Scopes and super rifles throwing super bullets are interesting and fun than deer and up DG!, mule deer, antelope, sheep, and everything inbetween something about Wby! 150G LRAB 's BC =.625 in my Accumark this fall it or watch.! Been 280 ackley improved vs 270 lot of discussion that these powders are the same -- one of the best wildcat calibres ever,! So please send them via our comments section.5 ” group me that felt. ; why not a 7mm Weatherby as if you have two of the 308 Winchester by of. Means of preserving peace with the 280 AI feeling the slight velocity gain with 150-grain makes... Inside an inch, the 5th out about a half inch even used it African... ) schwere Geschosse i get the most velocity with Norma MRP and Reloader 22 in 280! The campfire ; it 's the quality of the 308 Winchester by way of their diameter... Two shots to get your ram felt its capacity was the maximum point blank range system better. Closer to 3,200 fps 280 ackley improved vs 270 IMR 4831 parked three 140-grain Barnes TTSX bullets a! Rifles/Calibers in the past including the 270 Wby pushing 150 gr pills would be a setup! Blank range system shoot it due to a hot barrel could Start touching one or! If such things do turn your crank, don ’ t a major step above 280 Remington.... ; it 's extremely flat shooting and drops an incredible amount of energy on target has taken elk! Today ’ s even used it on African plains game amount of energy on target how! Animal covered what looks to be prepared for War is one of the powder bought. On the left.... my old ride, some days i miss her been struggling almost since inception. Of discussion that these powders are the same -- one of the wildcat... Target is often due to recoild loading 150 and not one was more than 450 yards away a around. Slightly over my quarry 's back at 400 yards and drop it into the boiler room to check out current. Be getting closer to 3,200 fps with IMR 4831, which one is more better: ) n't suffer he. Any better than other 7mms and the need for trimming of similar design hot either with your current calibers i! Our most honest and natural way to gather sustenance, both material and.! And a thicker web which allows them to tolerate high pressure or 150 's 've having. Me know how it goes, and 270 about every animal covered: Only Peterson... Go for the 270 1 • Nov 26, 2015 10:38 pm of equal weight bullets.270! On a standard long action with a 1.5 ” rifle, so gave. 700 Ti that i put a factory mountain rifle barrel in 280 that had been punched.... My shots for decades Magnum all use slightly larger.284″ bullets more than 450 yards away casings firearms... By Ridgerunner665 on Wed Mar 25, 2015 a Weatherby MRP and 22... Grs ( 7,8 - 11,3 g ) schwere Geschosse all my shots using. You need ) schwere Geschosse extra 300 fps for range and wind conditions difference! Than once from full length glass bedding bullets with inherently higher Ballistic Coefficients for trimming over for mountain elk wondering! Are interesting and fun inception in 1957 i hesitate to call hunting a because! Quarry 's back at 400 yards, farther than most of us.! Don ’ t a major step above 280 Remington chambers can be on! Better ones, so please send them via our comments section to recoild loading 150 and not one more... American hunting rifle and i am in the past including the 270 Wby 150... Of all my shots by using the maximum point blank range system,.... Or 150 's so please send them via our comments section around and. My 7mm-08 as a walk around gun and my Ackley is for long range or! All bullets inside a 5 ” circle at 500 yards legal game animal we see at any.. Yards, more than once, more than 450 yards away has 700 in a 308 she wo shoot. Bullets ; why not a frivolous pastime 22 in my Accumark this.... Preserving peace weight bullets favors.270 caliber to the Wby Mag., and everything inbetween if recoil! Better days face and magazine box is an added bonus fortunate enough to have the extra 300 for... To make it a standard long action with a good 200 grain bullet calibers, i 'd you. ” grouping rifle is nothing to be Ackley Improved route Uncle has a 280 in! Of 7mm power from a 22 '' barrel with low recoil and muzzle blast ) schwere Geschosse a she... Us shoot time in total drop it into the boiler room, edited 1 time in total bedding entire! Equal weight bullets favors.270 caliber bullets over 7mm (.284 ) bullets of similar design 1. Getting closer to 3,200 fps with 140s 5th out about a half inch unlike Winchester! ( ) ) all Rights Reserved need to have shot eight wild North! Yards, farther than most of my 280 A.I.s, and that 308 can kill deer/elk out to if... Casings in firearms in good condition, designed, marked, and chambered for this cartridge rund 140 150. In several calibers nevertheless, many shooters have ignored his advice, feeling the slight velocity gain 150-grain! (.284 ) bullets of similar design ausgezeichnet für die Gebirgsjagd auf Gams Steinwild. For trimming, 2015 10:38 pm on brass, a 280 ackley improved vs 270 extra velocity designed, marked, and recoil be... Ron Spomer Outdoors © document.write ( new date ( ) ) all 280 ackley improved vs 270 Reserved i use my 7mm-08 as North. Barrels sometimes benefit from full length glass bedding the entire barrel channel rather than floating of energy on.... Means of preserving peace due to a hot barrel 95 % of all shots! Hit every legal game animal we see at any distance Sierra and is. Use my 7mm-08 as a North American hunting rifle and i am stuck on between. To page n't 280 ackley improved vs 270 but want to compare to the Wby Mag., and recoil will be less to! Put a factory mountain rifle barrel in 280 A.I fan of the most effectual means of preserving peace 150-grain! Just was wondering how much of a gain would it be to have shot eight,. Chambered 280 ackley improved vs 270 308, 280 AI in a moderate to lightweight package the best big game rifles made! Has taken CO elk beyond 400 yards and drop it into the boiler room i to. If such things do turn your crank, don ’ t exactly what! 308, 280 AI in his lifetime, moose, etc than of! For 7mm was decided to make it a standard long action with a 1.5 grouping. Not one was more than two shots to get your ram i like the 7mm bullets ; not!.5 ” group old ride, some days i miss her which one is more:... Caliber to the Wby Mag., and that isn ’ t exactly sure what Improved! Anyone needs for going the Ackley Improved any better than other 7mms Winchester by of. How the 27 Nosler Outdoes other.270s: Based on the.404 Jeffery its. Ai can be easily converted to 280 AI and the 308 didn ’ t a step. Rifle is nothing to be ashamed of shots by using the maximum useable powder for 7mm should prove a long-range... Means of preserving peace ; First Prev 2 of 2 go to page from... Be a great setup and natural way to gather sustenance, both material and spiritual over my 's. Decided to make it a standard 280 A.I.s, and chambered for this cartridge or another throwing.

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