The 20mm Oerlikon automatic cannon was a mainstay of United States naval air defense during World War 2, and today we will look at a few of the characteristics and questions that apply to this sort of automatic cannon but not to typical small arms. Like, for instance, how do you cock a gun that has a 400 pound recoil spring? Or, what happens if you fire a high explosive shell into your muzzle cover?
In the White: https://www.rockislandauction.com/detail/69/1132 Blued: https://www.rockislandauction.com/detail/69/1133 The 1855 “Root” pocket revolver was a reasonably successful design for the Colt company, although it was not the best mechanical design. The side hammer design used the cylinder […]