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The 7×57mm Mauser Ackley Improved is an alternate version of the 7×57mm Mauser cartridge with 40 degree shoulder. This wildcat was designed to be easily made by rechambering existing firearms, and fire forming the ammunition to decrease body taper and increase shoulder angle, resulting in a higher case capacity with the trade-off of a smaller ...
P.O. Ackley favored short .30 caliber magnums and called it "highly recommended." Performance with a 150-grain (9.7 g) bullet is up to 3,590 ft/s (1,090 m/s), with a 180-grain (12 g) bullet is up to 3,200 ft/s (980 m/s) and with a 220-grain (14 g) bullet is up to 2,705 ft/s (824 m/s).
.338-06 Ackley Improved, an improved .338-06 A-Square (which is a .30-06 necked up to .338 caliber).348 Ackley improved, an improved .348 Winchester which gets about 200 feet a second more velocity over the standard..35 Ackley Magnum No. 1 and No. 2 short, based on the .30 Ackley Magnum cases; there is also an Improved version of the No. 2.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
7×65mmR; Specifications; Case type: Rimmed, bottlenecked: Bullet diameter: 7.25 mm (0.285 in) Neck diameter: 7.95 mm (0.313 in) Shoulder diameter: 10.80 mm (0.425 in)
Jonathan Campos, Samuel Lilley, Danasia Elder and Ian Epstein, the crew who died on board American Eagle Flight 5342, have received honorary awards from their airline.
According to the book “Du und dein Heer"(1943) the regular s.S. projectile had the following penetration performance: 65 cm (26 in) of dry pine wood at 100 m (109 yd), 85 cm (33 in) at 400 m (437 yd), 45 cm (18 in) at 800 m (875 yd) and 20 cm (8 in) at 1,000 m (1,094 yd), 10 mm (0.39 in) of iron at 300 m (328 yd), 7 mm (0.28 in) at 550 m (601 ...
Since cases for the .280 RCBS could be formed by firing .280 Remington ammo in a rifle chambered for the former, Ackley abandoned the 7mm-06 Improved and started chambering rifles for the .280 RCBS. He then changed the 35-degree shoulder to 40-degrees and the .280 Ackley wildcat was born.