Search results
Results from the WOW.Com Content Network
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.
The .280 AI is basically the .280 Remington redesigned by steepening its case shoulder and straightening the sidewalls to near parallel, thus resulting in an increased powder capacity giving 100 fps greater muzzle velocity, comparable to the 7mm Remington Magnum. The differences between the .280 Remington and the .280 Ackley improved are minimal.
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.
- necked down to accept a 7mm bullet - Originated during experimentation with 7mm bullets in inexpensive, surplus 30-06 brass cases. [16] The commercial .280 Remington (or 7mm Express Remington ) is very similar, but uses the slightly longer 65 mm 30-03 case with the shoulder headspace extended slightly more than one millimeter (.05 inch) to ...
.280 Ackley Improved, an improved version of the .280 Remington cartridge with 40 degree shoulder, dies readily available. It duplicates the ballistics of the vaunted 7mm Remington Mag, with 30% less propellant used and less barrel erosion. Registered with SAAMI by Nosler..30-30 Ackley Improved, an improved .30-30 Winchester
An overview of 7mm caliber cartridges, their history, and uses in firearms.
7 mm Remington cartridges are all rifle cartridges with bullets of 7 millimetres (0.28 in) diameter developed and sold by Remington. These cartridges include: .280 Remington (7mm Express Remington) 7mm BR Remington (Bench Rest) 7mm Remington Magnum; 7mm Remington Ultra Magnum (RUM) 7mm Remington Short Action Ultra Magnum (SAUM) 7mm-08 Remington
The 7mm Winchester Short Magnum cartridge, a rebated rim bottlenecked centerfire short magnum introduced in 2001, is probably the closest ballistic twin of the 7mm Remington Magnum. The 7mm Winchester Short Magnum is considerably shorter and fatter and has a steeper shoulder angle and a shorter neck (6.17 mm) than the 7mm Remington Magnum. This ...