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These built-up guns consisted of a rifled tube encased within an inner and outer jacket with a horizontal sliding breech block. The breech was sealed with an 18 kg (40 lb) brass case containing 30 kg (66 lb) of smokeless powder with a 160 gram (5.6 oz) gunpowder igniter.
Most nations use rapid-fire cannon on light vehicles, replacing a more powerful, but heavier, tank gun. A typical autocannon is the 25 mm "Bushmaster" chain gun, mounted on the LAV-25 and M2 Bradley armoured vehicles. Autocannons may be capable of a very high rate of fire, but ammunition is heavy and bulky, limiting the amount carried.
An example (open and closed) of a typical gun safe. A gun safe is a safe designed for storing one or more firearms and/or ammunitions.Gun safes are primarily used to prevent access by unauthorized or unqualified persons (such as children), for burglary protection and, in more capable safes, to protect the contents from damage by flood, fire or other natural disasters.
The Type 99 Mark 1 machine gun and Type 99 Mark 2 machine gun were Japanese versions of the Oerlikon FF and Oerlikon FFL autocannons respectively. They were adopted by the Imperial Japanese Navy (IJN) in 1939 and served as their standard aircraft autocannon during World War II.
The Cannon 102/35 Model 1914 was a licensed variant of a British QF 4-inch naval gun Mk V. These guns had hand elevation and traverse, had either vertical or horizontal semi-automatic sliding breech block mechanisms and used fixed quick fire ammunition. [ 4 ]
The MG FF was a drum-fed, blowback-operated, 20 mm aircraft autocannon, developed in 1936 by Ikaria Werke Berlin of Germany. It was a derivative of the Swiss Oerlikon FF F cannon (its FF suffix indicating Flügel Fest, for a fixed-mount, wing location from the Swiss original), with the Oerlikon FF design itself a development of the Imperial German World War I Becker 20 mm cannon, and was ...
The BK 27 (also BK27 or BK-27) (German abbreviation for Bordkanone, "on-board cannon") is a 27 mm (1.063 in) caliber revolver cannon manufactured by Mauser (now part of Rheinmetall) of Germany. It was developed in the late 1960s for the MRCA (Multi Role Combat Aircraft) program that ultimately became the Panavia Tornado .
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber (20 mm/0.79 in or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles fired by a machine gun.