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The introduction of this new design did not however stop continued use and production of the 13.2×99mm Hotchkiss "Long" cartridge by countries whom had already adopted it and in 1939 the cartridge saw new interest on the export market due to the newly developed 13.2 mm FN Browning aircraft machine gun, which was offered in both 12.7 × 99 mm ...
The 13.2 × 92 mm SR, also known as Mauser 13.2 mm TuF (German: Tank und Flieger; literally "tank and aircraft", historical military designation), is a semi-rimmed rifle and machine gun cartridge developed by the German Empire for anti-tank and anti-aircraft use which was introduced during World War I.
All measurements are in mm (in). 13 mm (.5118 in) and over. Name Date Bullet diameter Case length Rim Base Shoulder Neck Cartridge length 13×64mm [1] 12.91: 64: 17.2:
The projectiles of RML 9 in (23 cm) guns Marks I-V (the Woolwich rifled guns) had several rows of "studs" which engaged with the gun's rifling to impart spin. Sometime after 1878, " attached gas-checks " were fitted to the bases of the studded shells, reducing wear on the guns and improving their range and accuracy.
It is equal to 1 cubic decimetre (dm 3), 1000 cubic centimetres (cm 3) or 0.001 cubic metres (m 3). A cubic decimetre (or litre) occupies a volume of 10 cm × 10 cm × 10 cm (see figure) and is thus equal to one-thousandth of a cubic metre. The original French metric system used the litre as a base unit.
From 1.0 through 2.95 mm, sizes are defined as follows, where N is an integer from 10 through 29: N · 0.1 mm; N · 0.1 + 0.05 mm; From 3.0 through 13.9 mm, sizes are defined as follows, where N is an integer from 30 through 139: N · 0.1 mm; From 14.0 through 25.0 mm, sizes are defined as follows, where M is an integer from 14 through 25: M ...
The projectile had a length of 21.6 mm (0.85 in). [34] It had an unmarked hollow nose with a depth of 7.6 mm (0.30 in) and a 0.8 mm (0.031 in) opening. [34] The SS192 was classified by the ATF as not armor-piercing, and in testing by FNH USA it did not penetrate a Level IIIA vest when fired from the Five-seven. [35] SB193 subsonic
R 50 at 25 m (27 yd) means the closest 50 percent of the shot group will all be within a circle of 25 mm (1.0 in) radius at 25 m (27 yd). The 7N21 ( Cyrillic : 7 Н 21) 9×19mm overpressure variant features an armor-piercing bullet and generates a peak pressure of 280 MPa (41,000 psi). [ 36 ]