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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.
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.
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.
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.
12.7×108 mm sniper rifles (12 P) Pages in category "12.7×108 mm firearms" This category contains only the following page. This list may not reflect recent changes. ...
Pages in category "12.7×108 mm sniper rifles" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. A. AMR-2; G.