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The 20 mm caliber is a specific size of cannon or autocannon ammunition, commonly the smallest caliber which is unambiguously a cannon (or more commonly today, autocannon) and not a heavy machine gun. There are relatively few weapons which have been built which fire projectiles between .50 caliber (0.50 inch/12.7 mm, roughly 12 mm caliber) and 20 mm caliber, though the 14.5 mm caliber was used by some Soviet machineguns such as the KPV and antitank rifles such as PTRS and PTRD.
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20 mm caliber - Wikipedia, the free encyclopedia
The 20 mm caliber is a specific size of cannon or autocannon ammunition, commonly the smallest caliber which is unambiguously a cannon (or more commonly today, autocannon) and not a heavy machine gun. There are relatively few weapons which have been built which fire projectiles between .50 caliber (0.50 inch/12.7 mm, roughly 12 mm caliber) and 20 mm caliber, though the 14.5 mm caliber was used by some Soviet machineguns such as the KPV and antitank rifles such as PTRS and PTRD.
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GAU-4 20mm Vulcan M61A1/M61A2 20mm Automatic Gun. The M61A1 utilized by the F-14 and F/A-18 aircraft is a hydraulically driven, 6 barreled, rotary action, air cooled, electrically ...
The term "Oerlikon 20 mm cannon" refers to a series of autocannons, based on an original designed by Reinhold Becker during World War I, and widely produced by Oerlikon Contraves and others. Various models of Oerlikon cannon were used during World War II, and they are still in use today.
This is a Flickr badge showing public photos from 20mm. Make you own badge here.
Airborne 20mm Polsten gun c. 1944 in towing position. No magazine is fitted in this photo.
Ø 49” match grade fluted barrel Ø Heavy duty clam-shell brake Ø Detachable box magazine Ø Available in 14.5mm and/or 20mm calibers Ø Titanium firing pin Ø 2 mile max range ...
Features: 3000 yard range; 1600 grain bullet; 3300 ft per second; Only weighs 39 pounds; Takes 20mm Vulcan ammo (percussion primed) CALL FOR DETAILS : Training ammo $8 each Tracer ...
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