280 ackley improved vs 30 06

To this end, the .30-06 is a more versatile cartridge for hunting heavily bodied game weighing 320kg (700lb) and heavier. ... One common chambering for custom rifles is the .280 Ackley improved. This pushes the shoulder forwards to 40 degrees and minimizes body taper. The Ackley improved is sometimes quoted as giving a 100fps gain in …

30-06 Springfield; 30-30 Winchester; 30-378 Weatherby Magnum; 308 Norma Magnum; 308 Winchester; 325 Winchester Short Magnum; 33 Nosler; 338 Lapua Magnum; ... 280 Ackley Improved Load Data; 280 Ackley Improved Load Data. 120 Grain; 140 Grain; 150 Grain; 160 Grain; 168 Grain; 175 Grain; 185 Grain; NOSLER. Home; Our Story; Forum;Microsoft and Snap recently announced the integration of Snapchat Lenses for Microsoft Teams and the 280 million users who use the collaboration platform every month. Microsoft and...The 7mm PRC does offer higher velocity figures—running at a higher pressure—though many feel that the 7mm Remington Magnum has plenty of velocity. The PRC is most certainly a better choice as a long-range target cartridge; I had the opportunity to use the cartridge in a Remington Model 700 at the FTW Ranch in Barksdale, Texas, punching ...I fire-formed 100 Lapua 30-06 brass to the 280 RCBS Improved - 30 degree shoulder. About the same thing as the 280 AI, but with slightly less angle on the shoulder. It can be done. It does take a bit of time and fussing. I believe I annealed the case neck shoulder junction prior to fire-forming. The shoulders blew out just fine on mine.This question is about Personal Loans @grace_enfield • 03/06/23 This answer was first published on 04/19/22 and it was last updated on 03/06/23.For the most current information abo...

Rechambering a custom rifle for the 223 Ackley Improved. Fire-formed 223 Ackley Improved case (left) and fired 223 Remington case (right). The improved case (left) doesn't have a tapered body and has its shoulder moved forward at a sharper, 40 degree (versus 20 degree) angle. Parker Otto (P.O.) Ackley was a well known author and gunsmith who ... Pros for 30-06: Lots of ammo selections, easy to get practically anywhere, less expensive, heavier bullet selections. Cons: Slightly more recoil, not as flat shooting. Pros for 280 AI: flatter shooting, slightly softer recoil. Cons: expensive ammo, less ammo selection, not as readily available. The pros/cons list pushes me towards 30-06 but I ... Hhhm, that's subjective. Ballistic wise I would say the .280 Rem. as it's the ballistic twin of the .270 Win., same case as the .25-06, does have the capability to use heavier bullets when compared with the .25-06. In years past, the .25-06 bullet selection stopped at 120gn and the .280 started at 120gn.As long as the case design will allow the case to be extracted the case can be much smaller than the chamber and it will fire-form just fine. Again, this goes back to the fact that the rim is the headspace limit for such cases. Left is 30-30 Ackley Improved. Right standard 30-30 Winchester. In the photo you can clearly see the rim at the head ...A primary advantage of the .280 Ackley Improved is the increased magazine capacity. Being a standard .30-06-diameter cartridge case, nearly all popular bolt-action hunting rifles will hold at least four rounds in the magazine, and many models comfortably swallow five down, plus one in the chamber.

The .280 Ackley Improved might not be the newest or fastest cartridge out there. But the following characteristics make it one of the best options for Western big game.Ackley Improved. Left to right: 22-250 Rem & 22-250 AI, .243 Rem & .243 AI, 6mm Rem & 6mm AI, 6.5×55 SE & 6.5×55 AI, .280 Rem & .280 AI. P.O. Ackley was a gunsmith that grew to fame in the early 20 th century. Perhaps best known in the firearms industry as a wildcatter, Ackley Improved wildcat chambers are popular modifications.The 30-06 is a fine round and tough to beat as a do all cartridge. The advantage of the 280 AI is the better selection of high BC bullets, slightly lower recoil and longer brass life. The 280AI also has a very high "Cool Factor".As far as deer cartridges go, the .280 Ackley Improved (AI) is not as well known as the time-honored .30-06, but perhaps it should be. It gives the 7mm …This gave an estimate of 3054 fps for the extrapolated max in the 280. A similar calc for IMR4451 at 65000 PSI estimates 3059 fps. Of course grain of salt and Danger Will Robinson, yadda yadda. Re: 280 Ackley SAAMI vs. 280 Improv 40 deg pre-SAAMI. RevMike # 14939968 06/04/20.Aug 31, 2011 ... Basically it has the same parent case (30/06) as the 270 Win, 25-06 Rem and of course, the 280 Rem. Ackely Improved means the shoulders are ...

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Jimmy and Mark chat with cartridge-man, Ryan Muckenhirn, about a series of cartridges with one of the most iconic silhouettes - the sharp-shouldered Ackley I...The godfather and namesake of the cartridge is wildcatter Parker Ackley, who recognized the value of the .280 Remington, introduced in 1957 by Remington, which was hoping to have the same success with a 7mm cartridge that Winchester had enjoyed by necking down the .30/06 to .270. The .280 Rem. never really caught on, probably because the wildly ...Mississippi. Dec 23, 2016. #1. I am considering picking up a used .280 AI. I have looked everywhere, and have only found one post regarding barrel life. They stated that barrel life was around 800. That seemed wayyyy off IMO especially since it isn't a magnum round. I'm hoping someone on here could shed some light on this for me.Oct 3, 2006. 1,602. 0. According to Nosler's 5th edition manual, both test rifles used had 24" barrels. Some of the fastest loads in both were 2985 for 06 improved with RL-22 and 3118 with RL 22 for the 300 win mag. You should be close with a 26" barrelled 06 ai. Aug 23, 2008. #3.The last disadvantage of most improved cases is lack of pressure tested loading data. While a few improved rounds have been popular enough to interest the major bullet and powder companies that publish most loading manuals, they are few, generally limited to the .22 K Hornet and the .257 Roberts, .280 Remington and .30-06 Ackley Improved.How do these two compare? Both great cartridges!

Jun 9, 2020 · A. The .30-06 Ackley Improved is a wildcat cartridge formed by firing a .30-06 Springfield cartridge in a rifle that has been chambered or re-chambered for the "improved" version. Upon firing, the case "blows out" to conform to the new, enlarged chamber. The new dimension has a reduced body taper and increased shoulder angle compared to the ... The .325 WSM is as much of a pain in the ass as the rest, but it fills a void between the .30/06 and the .338. It’s a useful cartridge, and is underrated rather than overrated. 4. The 7mm ...280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often …First, the average bullet weight is encapsulated in the average muzzle energy for the .280 Remington. The second important assumption is ‘slightly-suboptimal’ to ‘optimal’ shot placement. That is to say, we assume the grizzly or brown bear being harvested is shot directly or nearly directly in the vitals (heart and/or lungs).Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Nadia Hansel, MD, MPH, is the interim director of the Department of Medicine in th...For reference, compare that to 17.5 degrees on the .30-06, 25 degrees on the .300 Win. Mag., and a scant 8.5 degrees on the long, tapered .300 H&H case. ... However, the .280 Ackley and other improved case shapes provide an abrupt wall on the forward end of the propellant chamber. This holds the column of gunpowder inside the case a bit more ...The following chart shows the usable interior case volume of all popular rifle cartridges, measured in cubic inches and assuming a standard .013″ brass thickness. By “usable case capacity,” I mean the internal area of the body of the case and shoulder, but none of the neck. This would be the space occupied by powder in the case of a flat ...The 6. 5-06 is a wildcat round based on the. 30-06 case necked down to. 264 caliber, while the 6. 5 prc (precision rifle cartridge) is a factory cartridge specifically designed for long-range precision shooting. With a flatter trajectory and less recoil than the 6. 5-06, the 6. 5 prc boasts higher velocities and energy at extended distances.Mild-mannered but wicked, the .280 Ackley Improved is a virtuoso of a cartridge. By Joseph von Benedikt. PHOTOS BY MIKE ANSCHUETZ. I'll stick my neck out and say it: I think the .280 Ackley Improved cartridge is the finest of the flock and gives shooters more for their effort than any other wildcat. (Some may argue that it's no longer a wildcat ...SINGAPORE, Feb. 2, 2021 /PRNewswire/ -- Insider, the first integrated Growth Management Platform, today announced record results from the 2020 fis... SINGAPORE, Feb. 2, 2021 /PRNew...Well-Known Member. Dec 19, 2013. #5. PKL said: if you want to be different, try the 7x61 Sharpe & Hart..bigger than spanish mauser, and not as brutal as x64. Not worth a food fight, but if you'd even seen a 7mm S&H case you would eat your words. The pecking order is 7x61 S&H, .280 AI, and the 7x64 some way behind.614. Mar 19, 2017. #12. In a mountain rifle the smaller the bore the better IMO barrels are a bit less whippy. A stated its hard to beat the 30-06 for versatility not so many factory loads for the 280 rem. Darn nice cartridge though. Good luck and shot straight. Bob.

Aug 16, 2021 ... To learn more about popular hunting calibers like the .270 Winchester, .280 Remington, 280 Ackley Improved and 7mm Remington, ...

Two of the three .280 Ackley groups fired with the 139-grain Barnes LRX actually clustered into less than 0.5 m.o.a. One word of caution: I suspect the maximum loads shown in Vihtavuori’s reloading guide are generated using European pressure standards, which commonly have a higher ceiling than those in the United States.Depending on the action used,rechambering to the 30/06 Improved or Ackley or Gibbs usually requires that the feed lips be modified. Most of the blown-out 30/06 wildcats were invented and popular back in the '40's and '50's,when the only high velocity 30 caliber was the .300 H&H.Some people wanted more soup without the belted case and high cost ...Feb 1, 2022 ... Is the 280 Ackley Improved ... 280 Ackley Improved vs 7 SAUM: Two of the ... Ackley Enfield | Remington 1917 Sporter Chambered in .30-06 Ackley ...280 Ackley Improved: Cartridge Type: Rifle: Case Material: Brass: Pack Quantity: 50: Ship To Store. Free Shipping. Est. Pick Up - May 16th. In Midvale, UT. ... Nosler 30-06 Springfield Reloading Rifle Brass - 50 Count. Nosler. Notify Me When In Stock Online. Add No thanks. 15 of 24. Price: $84.99 Item# ...The 7mm PRC does offer higher velocity figures—running at a higher pressure—though many feel that the 7mm Remington Magnum has plenty of velocity. The PRC is most certainly a better choice as a long-range target cartridge; I had the opportunity to use the cartridge in a Remington Model 700 at the FTW Ranch in Barksdale, Texas, punching ...Mar 17, 2011 · Mild-mannered but wicked, the .280 Ackley Improved is a virtuoso of a cartridge. By Joseph von Benedikt. PHOTOS BY MIKE ANSCHUETZ. I'll stick my neck out and say it: I think the .280 Ackley Improved cartridge is the finest of the flock and gives shooters more for their effort than any other wildcat. (Some may argue that it's no longer a wildcat ... As far as deer cartridges go, the .280 Ackley Improved (AI) is not as well known as the time-honored .30-06, but perhaps it should be. It gives the 7mm …At least two blown-out versions — meaning the walls are straightened and shoulder is pushed forward — are fairly popular. The 6.5 Gibbs reportedly reaches 3,325 fps with a 120-grain bullet, and the 6.5-06 Ackley Improved hits 3,100 fps. Descendents of the .30-06 are numerous because so many rifles are available in .30-06 action lengths.

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Jul 28, 2023 ... Day two and three of load development. I am pretty sure I found my load and the barrel has finished speeding up, settling at 2919 fps with ...The .30-06 is a quiet achiever. One of the most controversial wildcats ever developed from it was PO Ackley’s .30-06 Improved. Two schools of thought clashed heatedly over the cartridge; one group claimed it was little better than the standard .30-06 while another school argued that it was as good as the .300 H&H magnum, at that time …The .280 Remington retains the same 17-degree 30-minute shoulder of the .30-06 but uses the 2.54-inch case of the .30-03 Springfield. It will offer a velocity advantage of about 300 fps or so over the 7x57mm Mauser with most bullet weights, and the most popular choice for the .280 Remington seems to be the 140-, 150- and 160-grain slugs.The .30-06 Springfield works so well, so reliably, that there really isn’t a whole lot left to be desired. Though it has been with us for over 110 years, it remains the benchmark by which all other .30-caliber cartridges are measured. It’s light enough on the shoulder, yet gives velocities that are nearly perfect for the hunting fields.280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often ballistically superior.The .325 WSM is as much of a pain in the ass as the rest, but it fills a void between the .30/06 and the .338. It’s a useful cartridge, and is underrated rather than overrated. 4. The 7mm ...Alternative Ammo: .280 Ackley Improved vs. 7mm PRC. by Dennis Bradley; posted on November 13, 2023 ... Even though the cartridge was created in the 1960s (and other variants of the .30-06 Springfield case were crafted before P.O. Ackley introduced his variant), the stalwart .280 AI can hold its own against the PRC, and has …This question is about Personal Loans @grace_enfield • 03/06/23 This answer was first published on 04/19/22 and it was last updated on 03/06/23.For the most current information abo...My father has used a 280 Remington for years hunting elk. 160 gr Partiton was the preferred handload due to OAL limitation of the detachable magazine on his 7600. 160 AccuBond would be a superb choice, or drop back to 150 gr as it won't lose a lot of weight. In any case, a 280AI is a great choice for elk. Feb 8, 2022.Fred's version had a 30-degree shoulder angle and held a pinch more powder than the 7mm-06 Ackley Improved. Cases were more easily formed by firing .280 Remington factory ammo in the improved chamber, so Ackley eventually abandoned his wildcat on the .30-06 case and started chambering rifles for Huntington's cartridge but … ….

When it comes to buying that spooky-ish-looking Victorian mansion, the word is 'buyer beware.' Advertisement Helen Ackley and her family lived with ghosts for years in their turn-o...Dec 27, 2020 ... 280 Ackley Improved. 117K ... 280 Ackley Improved vs 7 SAUM: Two of the best rifle cartridges on earth ... Time To Update The 30-06 AI? - Season 3 ...Two of the three .280 Ackley groups fired with the 139-grain Barnes LRX actually clustered into less than 0.5 m.o.a. One word of caution: I suspect the maximum loads shown in Vihtavuori’s reloading guide are generated using European pressure standards, which commonly have a higher ceiling than those in the United States.Shooting. 280 Ackley Improved: a Versatile Big Game Hunting Round and 6 Rifles Chambered For It. By Travis Smola | March 12, 2022. The .280 Ackley Improved …Beta webapp 280 Slides edits and shares PowerPoint-like presentations online. 280 Slides' interface is polished and rich; you can try it out without signing up as a user. Create br...Also known as the .280 Ackley Improved or the .280 Remington Ackley Improved, the .280 AI is basically a .280 Remington case (itself a .30-06 Springfield case necked down to 7mm/.284") that's been blown out to increase the powder capacity.As long as the case design will allow the case to be extracted the case can be much smaller than the chamber and it will fire-form just fine. Again, this goes back to the fact that the rim is the headspace limit for such cases. Left is 30-30 Ackley Improved. Right standard 30-30 Winchester. In the photo you can clearly see the rim at the head ...This question is about Florida State University Credit Union Savings & CDs @FSUCU • 06/13/16 This answer was first published on 06/13/16. For the most current information about a f...Fred Huntington, founder of RCBS, developed the .280 RCBS by blowing out the body taper of the .280 Remington and changing the shoulder angle to 35-degrees. P.O. Ackley, the famous gunsmith and ballistician, changed the shoulder to 40-degrees, lent his surname, and the .280 Ackley Improved was born. Like most of the Ackley Improved cartridges ... 280 ackley improved vs 30 06, Using a case length of 2.525 inches, the .280 Ackley Improved fits nice in a standard long-action receiver, and in spite of the steep shoulder, I have found the …, The .280 Remington (left) is a fine cartridge, but the .280 Ackley Improved (right) offers a velocity advantage. The head start that the .270 Winchester had didn’t help the popularity of the .280 Remington, and it seemed to slog along with a small, but fervent following, yet never approached the popularity of the .270 Winchester or .30-06 Springfield., Note: We were at a safe location following all safety rules! Today on Alaskan Ballistics we're comparing the .280 Ackley Improved vs. the 7mm Remington Magnu..., Apr 5, 2022 ... In this video I discuss the 280 Ackley Improved Cartridge. I talk about its lineage and attributes. #shooting #hunting #rifles Email- ..., One of P.O. Ackley's earliest wildcats was the 7mm-06 Improved, which was made by necking down the .30-06 Springfield case and fire-forming it to have less body taper and a 40-degree shoulder angle. Soon after the .280 Remington came out, Fred Huntington reformed its case to an improved configuration with minimum body taper, a 35-degree ... , Aug 31, 2023 · 280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often ballistically superior. , Dec 20, 2021 ... The 280 AI is just so dang efficient. With less powder it essentially has the same ballistics as the 7 SAUM. I vote 280 AI., 240 WBY MAG, 243 WIN, 25-06 REM, 257 WBY MAG, 270 WBY MAG, 270 WIN, 280 ACKLEY IMPROVED, 30-06 SPRG, 300 WBY MAG, 300 WIN, 308 WIN, 6.5 CREEDMOOR, 6.5 WBY RPM, 6.5-300 WBY MAG, 7MM REM, 7MM WBY MAG, 7MM-08 REM. ... Bought the Mark V .280 Ackley Improved put my Vortex Viper Vhs on and …, Nov 25, 2019 · There are a number of well-known AI cartridges, with the .30-06, .257 Roberts and aforementioned .280 Rem parent cases being some of the best examples. A lesser-known cartridge was the .228 Ackley Magnum, developed by PO Ackley in 1938, although the idea came from around 1936 and was one of his first wildcat designs. , 280 Ackley Improved vs 6.5 PRC. Oddly, I have a safe full of rifles, but nothing between 22-250 and 300 Win Mag. I felt a bit over gunned on a pronghorn hunt in August with 300 Win Mag. ... 280 Reminton and the ackley version, but they all have certain drawbacks and are less than the old 30-06, The factory 7 Mag is at the top of the …, I fire-formed 100 Lapua 30-06 brass to the 280 RCBS Improved - 30 degree shoulder. About the same thing as the 280 AI, but with slightly less angle on the shoulder. It can be done. It does take a bit of time and fussing. I believe I annealed the case neck shoulder junction prior to fire-forming. The shoulders blew out just fine on mine., Oct 3, 2006. 1,602. 0. According to Nosler's 5th edition manual, both test rifles used had 24" barrels. Some of the fastest loads in both were 2985 for 06 improved with RL-22 and 3118 with RL 22 for the 300 win mag. You should be close with a 26" barrelled 06 ai. Aug 23, 2008. #3., To this end, the .30-06 is a more versatile cartridge for hunting heavily bodied game weighing 320kg (700lb) and heavier. ... One common chambering for custom rifles is the .280 Ackley improved. This pushes the shoulder forwards to 40 degrees and minimizes body taper. The Ackley improved is sometimes quoted as giving a 100fps gain in …, The 6.5-06 is about the same as the 6.5×284 Norma, ballistics wise, but the 6.5-06 AI has a slight velocity advantage over them. With a 26″ barrel, the 6.5-06 AI would give me an additional 100-200 fps which would be very beneficial in down range energy. In the end I decided that the 6.5-06 AI was the rifle I wanted to build., The .30-06 is a quiet achiever. One of the most controversial wildcats ever developed from it was PO Ackley’s .30-06 Improved. Two schools of thought clashed heatedly over the cartridge; one group claimed it was little better than the standard .30-06 while another school argued that it was as good as the .300 H&H magnum, at that time …, This question is about SR-22 Insurance Guide @winslow_arizona • 06/23/21 This answer was first published on 02/20/20 and it was last updated on 06/23/21.For the most current inform..., Pros for 30-06: Lots of ammo selections, easy to get practically anywhere, less expensive, heavier bullet selections. Cons: Slightly more recoil, not as flat shooting. Pros for 280 AI: flatter shooting, slightly softer recoil. Cons: expensive ammo, less ammo selection, not as readily available. The pros/cons list pushes me towards 30-06 but I ..., .280 Ackley Improved Like many calibers, the .280 Ackley Improved (AI) is underrated only by those who have never used it. The cartridge is more than capable of taking large game like elk and moose, …, 6.5-06; 280 Remington; 30-30 WCF; 30-40 Krag; 30-06; Interested in trying an Ackley Improved cartridge? You can rent the tools to rechamber your gun from our sister site: www.4drentals.com They stock all the popular Ackley chamberings and a few of the esoteric ones as well. Pacific Tool and Gauge explains Ackley Headspace., Aug 11, 2013 · The 6.5-06 does not give the advantage of heavier bullets or the velocity of the 130s the 280ai will blow the 6,5 away. and gain is in the 6-7% range based on the reamer. i have had great results with the 280ai 140- at 3140 and 160's at 2975 out of 24 inche bbl Bob. , The 7 SAUM and .280 Ackley Improved are both very popular 7mm cartridges, but which one is the ultimate hunting and shooting cartridge? Find out in this epi..., Like its parent cartridge, the 7mm-08 Remington works perfectly in a short-action rifle, and inherited the .308’s accuracy. The 7mm-08 Remington shares the same 20-degree shoulder angle and datum line of the .308 Winchester, but the case measures 2.035 inches versus the .308’s 2.015 inches. Much like its father, it performs best with ..., Jun 11, 2017 ... In a saami spec .280 Ai chamber you will have all sorts of issues unless your chamber is setup to use 30/06 brass. Khgs on this forum told me I ..., It reaches full potential in a bolt-action where it can outperform the 270 Win. and many times the 30-06, too. Alas, it’s also largely ignored in factory ammo, but handloaders can make it shine. An Ackley version of the 280 is becoming the hot new property in 7mms. The 280 AI (Ackley Improved) adds about 100 fps to the 280 Rem., Jan 20, 2017 · Keep in mind the Sherman holds 2-3g more powder. I push the 181g Hammer at 3027 FPS and the 180 accubond at 3100 FPS. The Ackley version should get the 168 to 3100fps. If you go down this road buy Peterson 280AI brass and run it thru a 30cal expander. You will have way better results than standard 30-06 cases. , Pros for 30-06: Lots of ammo selections, easy to get practically anywhere, less expensive, heavier bullet selections. Cons: Slightly more recoil, not as flat shooting. Pros for 280 AI: flatter shooting, slightly softer recoil. Cons: expensive ammo, less ammo selection, not as readily available. The pros/cons list pushes me towards 30-06 but I ... , Ackley reduced the original cartridge’s body taper and changed the shoulder angle to 40 degrees, which allowed for greater case capacity. This new wildcat, which became known as the .280 Ackley Improved 40-Degree Shoulder, beat .280 Rem ballistics by about 100 fps, which gave it energy and trajectory figures that nipped at the heels of …, Ackley wildcats, such as the .30-06 Ackley Improved, feature increased case capacity and provide superior ballistics. Plus, standard factory loads of the parent cartridge can be fired in an AI-chambered rifle. The most prolific creator of wildcat cartridges was P.O. Ackley. During the 1940s and ’50s, he developed an extensive portfolio that ..., Feb 1, 2022 ... Is the 280 Ackley Improved ... 280 Ackley Improved vs 7 SAUM: Two of the ... Ackley Enfield | Remington 1917 Sporter Chambered in .30-06 Ackley ..., At least two blown-out versions — meaning the walls are straightened and shoulder is pushed forward — are fairly popular. The 6.5 Gibbs reportedly reaches 3,325 fps with a 120-grain bullet, and the 6.5-06 Ackley Improved hits 3,100 fps. Descendents of the .30-06 are numerous because so many rifles are available in .30-06 action lengths., Bought the Mark V .280 Ackley Improved put my Vortex Viper Vhs on and boresighted it. 4 shots to be center of of the 1 in bulls eye. This rifle will put the 162 gr Hornady in the,same bullet hole off a rifle rest and bench at 100 easy with the trigger at 2.5 I will be adding a muzzlebreak!, The results verified that the extra case volume really does give the Ackley version a discernable edge over the standard .30-06 in a 600mm barrel. This agreed closely with what some other experimenters have achieved. Velocities were: 3200fps with the 150gn bullet, 3100 with the 165gn, 2950fps with the 180gn and 2800fps with the 180gn., Aug 27, 2021 ... Comments46 ; Is the 280 Ackley Improved the best long action cartridge? Stien Family Outdoors · 3.9K views ; Comparing 25 & 6.5 calibers. The Real ...