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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).
A guide to the recoil from the cartridge, and an indicator of bullet penetration potential. The .30-06 Springfield (at 2.064 lbf-s) is considered the upper limit for tolerable recoil for inexperienced rifle shooters. [2] Chg: Propellant charge, in grains; Dia: Bullet diameter, in inches; BC: Ballistic coefficient, G1 model; L: Case length (mm)
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.
.50 Beowulf General Technical Specifications Archived 2020-07-22 at the Wayback Machine on the Alexander Arms website "Alexander Arms .50 Beowulf", Jeff Quinn, Gunblast.com (online magazine), July 8, 2002 "Alexander Arms' New 'Overwatch' .50 Beowulf", Jeff Quinn, Gunblast.com (online magazine), June 15, 2003
The 6.5×68mm rebated rim bottlenecked centerfire rifle cartridge (also known as the 6.5×68mm RWS, 6.5×68mm Schüler, or the 6.5×68mm Von Hofe Express) and its sister cartridge the 8×68mm S were developed in the 1930s by August Schüler from the August Schüler Waffenfabrik, Suhl, Germany as magnum hunting cartridges that would just fit and function in standard-sized Mauser 98 bolt-action ...
The KAC PDW fires a 6×35 mm cartridge, which is over a centimeter shorter than the 5.56×45mm NATO round. The 6mm bullet is slightly wider, and the standard 6×35mm bullet slightly heavier, than the standard 5.56mm bullet (65 grains (4.2 g) versus 62 grains (4.0 g)).
Alteration of the original 6.5×53mmR caliber chamber by re-chambering the rifle barrel with a 6.5x57R [18] (see:6.5×57mm Mauser) chamber reamer has also been done, but the overall length of the original 6.5×53mmR Dutch or Romanian cartridge has to be maintained by seating the projectile more deeply into the cartridge case to fit the original ...
A spitzer bullet (from German: Spitzgeschoss, "point shot") is a munitions term, primarily regarding fully-powered and intermediate small-arms ammunition, describing bullets featuring an aerodynamically pointed nose shape, called a spire point, sometimes combined with a tapered base, called a boat tail (then a spitzer boat-tail bullet), in order to reduce drag and obtain a lower drag ...