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The 7mm-08 with 139-140 grain loads does well against some 150-grain .308 Win. loads, providing good energy levels. One example is the Remington 7mm-08 140 PSP (1490 fpe at 300 yards) compared with the Remington 308 150 grain PSP (1344 fpe at 300 yards). [14] The 7mm-08 invites a ballistic comparison with the veteran, highly esteemed 7×57mm ...
Parker Otto Ackley (May 25, 1903 – August 23, 1989) [1] was an American gunsmith, barrel maker, author, columnist, and wildcat cartridge developer. The Ackley Improved family of wildcat cartridges are designed to be easily made by rechambering existing firearms, and fireforming the ammunition to decrease body taper and increase shoulder angle, resulting in a higher case capacity.
7mm BR Remington; 7.45mm Ingram; 7×54mm Finnish; 7×54mm Fournier; 7×57mm Mauser; 7×64mm Brenneke; 7mm-08 Remington; 7mm Backcountry; 7mm PRC; 7mm Remington Magnum; 7mm Remington Short Action Ultra Magnum; 7mm Blaser Magnum; 7mm Remington Ultra Magnum; 7×61mm Sharpe & Hart; 7mm Shooting Times Westerner; 7mm Weatherby Magnum; 7mm Winchester ...
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 ...
When the dust settled, the 6.5-08 would be called the .260 Remington instead of 6.5–08 A-Square. The 6.5-08 cartridge was created simply by necking down the .308 Winchester. [3] Handloaders and wildcatters can easily form .260 cases by necking down the 7mm-08 Remington or necking up the .243 Winchester (both based on the same .308 case). [3]
The .280 Ackley Improved (.280 AI) was the result of the .280 Remington case modification by P.O Ackley, who pushed out the sidewalls at the shoulder to near parallel and steepened the shoulder angle to 40 degrees in order to increase powder capacity, thus along with increasing the allowable pressure, resulted in increasing the bullet initial velocity by approximately 100 fps.
The Model 721 and Model 722 along with the later Model 725 variant are bolt-action sporting rifles manufactured by Remington Arms from 1948 until 1961. The 721/722 replaced the short-lived Model 720.
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.