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The 12.7 × 108 mm has 22.72 ml (350 grains) H 2 O cartridge case capacity. 12.7 × 108 mm maximum cartridge dimensions. [citation needed] All sizes in millimeters (mm). Americans define the shoulder angle at alpha/2 ≈ 18.16 degrees. According to guidelines the 12.7 × 108 mm case can handle up to 360 MPa (52,213 psi) piezo pressure.
The CIP for 12.7 x 108 mm is 360 MPa (52213 psi) with a 125% proof test which would be 450 MPa (65266 psi). According to TM43-0001-27 the average specification for all regular 50 BMG ammo (see 50 BMG article) is 378 Mpa (54923 psi), and in TM43-0001-27 the proof round is listed with a 448 Mpa (65000 psi) pressure.
The Yakushev-Borzov YakB-12.7 mm [1] is a remotely controlled 12.7×108mm caliber four-barrel rotary heavy machine gun developed by the Soviet Union in 1973 for the Mil Mi-24 attack gunship and low-capacity troop transporter, with 1470 rounds, which can also be mounted in GUV-8700 machine-gun pods with 750 rounds.
The 12.7×55mm cartridge is used in some Russian firearms such as the VKS bullpup sniper rifle, the ShAK-12 bullpup battle rifle and the RSh-12 revolver.The cartridge can carry a projectile weighing between from 108 grains and 1173 grains and is predominantly used to fire heavy subsonic loads.
The ShAK-12, (Russian: ШАК-12) originally under the name ASh-12.7 (АШ-12.7, which stands for "Автомат штурмовой 12.7мм" or "automatic assault carbine 12.7mm") battle rifle is a dedicated CQB/Urban Operations weapon, developed by TsKIB SOO ("Central Design and Research Bureau of Sporting and Hunting Arms"), [2] a subsidiary of the KBP Instrument Design Bureau of Tula ...
12.7×108 mm firearms (3 C, 1 P) M. 12.7 mm machine guns (2 C, 3 P) Pages in category "12.7 mm firearms" The following 9 pages are in this category, out of 9 total.
Pages in category "12.7×108 mm machine guns" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. 0–9. 6P62; A.
Pages in category "12.7×108 mm firearms" This category contains only the following page. This list may not reflect recent changes. ...