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M197 electric cannon
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The M197 electric cannon is a 20 mm three-barreled electric Gatling-type rotary cannon used by the United States military.
JGSDF AH 1S M197 electric cannon at Camp Akeno November 4, 2018 02
JGSDF AH 1S M197 electric cannon at Camp Akeno November 4, 2018 02
XM197 cannon on an AU-23A
XM197 cannon on an AU-23A
20 mm caliber
Videos
20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons", is conventionally taken to
M197 electric cannon
…Dynamics Armament Systems Specifications Mass 132 pounds (60 kg) Length 1,828 millimetres (72.0 in) Barrel length 1,524 millimetres (60.0 in) Cartridge 20×102mm Caliber 20 mm Barrels 3-barrel (progressive RH parabolic twist, 9 grooves) Rate of fire 750-1500 rpm Muzzle velocity 1,030 metres per second (3,400…
A 20×102mm round (second from left) with .50 BMG rounds, golf ball, and a stick of 168-pin SDRAM computer memory
A 20×102mm round (second from left) with .50 BMG rounds, golf ball, and a stick of 168-pin SDRAM computer memory