The blow forward system has only bee used on three commercially-produced firearms: the Schwarzlose 1908, Hino-Komuro, and Mannlicher 1894 (The SIG AK-53 uses a forward barrel movement, but in conjunction with a locked breech). It […]
Interested in small arms history? Make sure to pre-order a copy of my book, Chassepot to FAMAS: French Military Rifles 1866 – 2016! Direct gas impingement is an operating system that has been used only in […]
The long stroke gas piston system was in its heyday about 50 years ago, and was popular in both rifles and machine guns. The principle is that the gas piston is fixed to the bolt […]
What is the difference between patents and copyrights? If someone wants to reproduce an old firearm design, how do they get the rights to? Why can’t you reproduce a gun design from patent drawings? What […]
Long recoil operation is one of the most mechanically interesting of the main firearm operating systems. When the gun fires, the recoil energy generated forces the barrel to move rearward, and the bolt remains locked […]
The short stroke gas piston operating system is common on modern rifles. It is defined as a gas piston which travels less than the distance of the bolt carrier (and is thus by definition not […]
To properly understand how firearms work, one must first recognize the difference between two fundamental mechanical systems in them. One is the locking system, and the other is the operating system. The locking system is […]
The simplest for of firearms action is blowback, also called simple blowback. It is basically just an application of Newton’s 3rd Law; that for every action there is an equal and opposite reaction. As the […]
This is the first of a series I am doing on specific different types of firearm action and operation principles and systems. I want to keep them short and to the point, to create an […]
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