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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).
An improved 6.5 PPC variation branded the 6.5 Grendel was marketed by Alexander Arms LLC. [9] Others are the 6.5 CSS marketed by CompetitionShooting.com, the 6.5 PPCX developed by Arne Brennan and optimized for 100–108 grains (6.48–7.00 g) 6.5mm bullets, and the 6.5 BPC developed by Jim Borden and Dr. Louis Palmisano and optimized for 81 ...
6.5mm Grendel :The Grendel uses the same head and rim from the .220 Russian and the 7.62x39 with a rim diameter of 0.441-0.449. The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the ...
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 cartridge uses a 6.5 Grendel case that has been necked-down to accept a 6.2 mm (.243 in) bullet. [citation needed] The 6mm AR takes advantage of the wide variety of 6.2 mm (.243 in) caliber bullets. Slim, long bullets with high ballistic coefficient are ideal for energy retention at long ranges.
6.5×55mm Swedish, also known simply as 6.5×55mm, 6.5x55 SE, 6.5x55 Swede, or in its native military as 6.5 mm patron m/94 (6.5 mm ptr m/94), meaning "6.5 mm cartridge model 94", referring to 1894, is a first-generation smokeless powder rimless bottlenecked rifle cartridge. The cartridge has most users in the Scandinavian countries, where it ...
The 7.62 mm cartridge was too heavy and the 5.56 mm cartridge could not provide effective performance at that range. Research led to the development of the 6×45mm SAW cartridge. Its 105 gr (6.8 g) bullet had a muzzle velocity of 2,520 feet per second (770 m/s) and muzzle energy of 1,488 ft⋅lb (2,017 J).
Grendel P12 - produced from 1991 until 1994, the P12 is a P10 with an 11-round detachable box magazine. It was Grendel's last .380. [5] Grendel P30 - a single-action, fluted barrel .22 WMR magnum blowback pistol that used a 30-round box magazine. The five inch barrel model gave an overall length of 8.5 inches.