recoil mass
81Electrothermal-chemical technology — Electrothermal chemical (ETC) technology is an attempt to increase accuracy and muzzle energy of future tank, artillery, and close in weapon system [cite book | first=Dr Norman|last=Friedman| coauthors=David K Brown, Eric Grove, Stuart Slade,… …
82M1918 Browning Automatic Rifle — Not to be confused with Browning BAR. Rifle, Caliber .30, Automatic, Browning, M1918 The M1918A2 BAR Type …
83CZ 75 — Original short rail version of the CZ 75. Type Semi automatic pistol Place of  …
84M1941 Johnson machine gun — Infobox Weapon|is ranged=yes caption= name=Johnson M1941 LMG type=Automatic rifle origin=flagcountry|United States era=WW2 design date=1940 production date=1940 to 1945 service=1940 to 1961 used by=See Users wars=World War II, Bay of Pigs… …
85Pedersen rifle — The Pedersen Rifle, officially known in final form as the T1E3 rifle, was a United States semi automatic rifle designed by John Pedersen that was made in small numbers for testing by the United States Army during the 1920s as part of a program to …
86Meunier rifle — Place of origin  France The Meunier rifle evolved as a part of the program initiated in 1890 by the French military to develop a semi automatic infantry rifle that would eventually replace the Mle 1886 93 Le …
878x68mm S — Infobox Firearm Cartridge name=8x68mm S caption=8x68mm S (3rd from the left) amongst other rifle cartridges origin=flagcountry|Nazi Germany type=Rifle service=Never issued used by= wars= designer=August Schüler design date=1939 manufacturer=… …
88Hammer — A hammer is a tool meant to deliver an impact to an object. The most common uses are for driving nails, fitting parts, and breaking up objects. Hammers are often designed for a specific purpose, and vary widely in their shape and structure. Usual …
89Single-shot — This article is about firearms. For other uses, see Single Shot (disambiguation). Single shot firearms are firearms that hold only a single round of ammunition, and must be reloaded after each shot. The history of firearms began with single shot… …
90Uncertainty principle — In quantum physics, the Heisenberg uncertainty principle states that locating a particle in a small region of space makes the momentum of the particle uncertain; and conversely, that measuring the momentum of a particle precisely makes the… …
