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The rim size is .492 in and because the round generates 55,000 psi, Remington opted to use a .308 rifle bolt in a 5.56-sized rifle for increased case support. [4] The rim was widened from the .473 in of the parent case to prevent the use of a weaker .450 Bushmaster bolt with this cartridge.
It is the parent case for the 6.8mm Remington SPC, [1] which is in turn the parent case for the .224 Valkyrie. The .30 Remington, along with the 25 Remington, .32 Remington. and .35 Remington were created for use in the Remington Model 8 rifle, to compete against the .25-35 Winchester, .30-30 Winchester and .32 Winchester Special.
The 6.5 mm (.264 caliber) has been extremely popular in Europe and especially in the Scandinavian countries and this trend continues today. [5] The 6.5×52mm Carcano, 6.5×53mmR (.256 Mannlicher), 6.5×54mm Mannlicher-Schönauer, 6.5×55mm Swedish Mauser, 6.5×58mmR Krag–Jørgensen and the 6.5×58mm Portuguese are among these cartridges of originally military European origin.
There are small dimensional differences between the .256 Newton and 6.5-06 later standardized by A-Square: the 256 Newton has an increased body taper, the shoulder is moved back, and has a sharper, 23 degree shoulder while the 6.5-06 has a 17.5 degree shoulder like the parent 30-06 case. SAAMI lists the 6.5-06 A-Square in the Centerfile Rifle ...
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.
The .30-30 Winchester is typically limited to short ranges, primarily because of the relatively small case capacity and the 150-grain and 170-grain bullet weights. To compensate for this, Waters necked the cartridge down to use a 7 mm bullet (.284 inches), rather than the original .308 caliber (7.62 mm) bullet.
The 6.5 PRC (Precision Rifle Cartridge) was initially designed by George Gardner of GA Precision and Hornady in 2013 and released at the 2018 SHOT Show. It is essentially a more powerful and flatter-shooting version of the 6.5mm Creedmoor and uses the same bullet, but not the same cartridge case. [13] [14]
The .30-03 Springfield (7.62×65mm) was a short-lived cartridge developed by the United States in 1903, to replace the .30-40 Krag in the new Springfield 1903 rifle.The .30-03 was also called the .30-45, since it used a 45 grain (2.9 g (0.10 oz)) powder charge; the name was changed to .30-03 to indicate the year of adoption. [2]