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For handloaders, two versions of reloading dies were manufactured, early dies and later dies that conformed to SAAMI specs (cf .280 Ackley Improved). If barrel length and chamber pressure are equal, the .280 Ackley Improved is about 100 fps faster with all bullet weights than the standard .280 Remington.
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.
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.
Cold forming. The parent case is well lubricated and forced carefully into the reloading die for the wildcat caliber. This will swage the case into a new shape. This type of operation is used for reducing case dimensions, such as changing the neck diameter or pushing the shoulder back. Fire forming. This consists of taking the parent case, or a ...
Currently (2011) none of the major commercial ammunition manufacturers offer factory loaded 6.5-06 A-Square ammunition. There are smaller companies that custom load the cartridge [2] however, and hand-loading can be accomplished using the proper set of dies and using .25-06 Remington, .270 Winchester, or .30-06 Springfield brass and making the proper modifications to fit the 6.5-06 A-Square ...
6mmBR.com - 6mm BR Rifle Shooting and Reloading Information; 6mm BR Remington page at ChuckHawks.com This page was last edited on 29 November 2024, at 13:06 ...
The .30 ICL is an improved .264 Winchester Magnum necked up to .308 and a pushed-back shoulder to create the steep angle common to all ICL cartridges and a long neck for improved handloading. Performance with a 150-grain (9.7 g) bullet is approximately 3,545 ft/s (1,081 m/s) and with a 180-grain (12 g) bullet is approximately 3,185 ft/s (971 m/s).
Reloading dies for the round are readily available. The .225 Winchester's case is a parent case for some of SSK Industries ' [ 3 ] popular line of JDJ cartridges designed by J.D. Jones , chosen for its strength and semi-rimmed design which makes it well suited for use in break-open actions.
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