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The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round. Using an improved version of the 6.5-284, Rich DeSimone set a 1,000-yard (914.4 m) world record with a 1.564-inch (39.73 mm) group. [ 4 ]
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.
The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).
6,5 G.A.P. 4S [16] 6.71 (.264) 51.18 (2.015) 13.56 (.534) 14.00 (.551) 13.58 (.535) 7.42 (.292) 76.30 (3.004) 6.5 Weatherby Rebated Precision Magnum [17] 6.71 (.2640) 65.3 (2.570) 12.0 (.473) 12.70 (.5000) 12.04 (.4739) 7.49 (.2950) 84.8 (3.340) 6.5 Precision Rifle Cartridge [18] 6.716 (.2644) 51.56 (2.030) 13.51 (.532) 13.513 (.5320) 13.101 ...
Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [1] The AR-15 can be chambered in many other calibers; it is then often referred to as an AR-15 style rifle.
To obtain maximum accuracy, bullet weight and form are matched to the rifling twist rate of the barrel. Typically, 68 gr (4.41 g) bullets are used in barrels with twist rates of 1 in 13 inch (1 in 330 mm), while 1 in 15 inch (1 in 380 mm) barrel twists can accommodate lighter 58 or 60 gr (3.76 or 3.89 g) accurately.
The ballistics of the .38-40 are close to those of the .40 S&W. [19].221 Fireball. This cartridge was developed by Remington Arms for the XP-100 pistol, which was a single shot bolt action pistol. The .221 Fireball was a necked back .222 Remington, designed for greater efficiency in the 10 in (25 cm) barrel of the XP-100. Even loaded with a ...
The 6.5mm Creedmoor designated as 6.5 Creedmoor by SAAMI, and as 6,5 Creedmoor by the C.I.P. [ 4 ] is a centerfire rifle cartridge introduced by Hornady in 2007. [ 6 ] It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.