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Tele Vue once manufactured a 5" refracting telescope named the MPT, the Multi-Purpose Telescope. It had a fast f/4 ratio, and had an adjustable diaphragm that ranged from f/4 to f/20. Only a small number were made, with the last being kept by Televue to use as a final optical quality control for all eyepieces they make.
The gun's name is an initialism for "Fuck Gun Control", where the "9" refers to its 9mm cartridge. [7] Released with accompanying documentation to aid its production and assembly, as well as the production of suitable ammunition, the FGC-9 is premised on the idea of undermining worldwide gun control.
Feldl gun 11x50mmR Bavaria: 1867 Fokker-Leimberger: A.H.G. Fokker & Leimberger: 7.92×57mm Mauser Germany: 1916 Fyodorov–Shpagin Model 1922: 6.5×50mmSR Arisaka Soviet Union: 1922 Gardner gun United States: 1874 Gast gun: 7.92×57mm Mauser Germany: 1915 Gatling gun United States: 1861 GAU-8 Avenger: General Electric: 30×173mm United States ...
The Agena Target Vehicle (/ ə ˈ dʒ iː n ə /; ATV), also known as Gemini-Agena Target Vehicle (GATV), was an uncrewed spacecraft used by NASA during its Gemini program to develop and practice orbital space rendezvous and docking techniques, and to perform large orbital changes, in preparation for the Apollo program lunar missions. [1]
A female worker boring out the barrel of a Lee-Enfield rifle during WWI. Gun barrels are usually made of some type of metal or metal alloy.However, during the late Tang dynasty, Chinese inventors discovered gunpowder, and used bamboo, which has a strong, naturally tubular stalk and is cheaper to obtain and process, as the first barrels in gunpowder projectile weapons such as fire lances. [2]
The 9×19mm Parabellum (also known as 9mm Luger, 9mm NATO or simply 9mm) is a rimless, centerfire, tapered firearms cartridge. Originally designed by Austrian firearm designer Georg Luger in 1901, [ 6 ] it is widely considered the most popular handgun and submachine gun cartridge due to its low cost, adequate stopping power and extensive ...
Attaching the barrel to the receiver using a barrel nut and a barrel with a shoulder is an alternative to action threads, which has been used in firearms such as the Sten gun and AR-15. Hand tools Quick barrel change systems is an increasingly popular alternative, as seen in for example SIG Sauer 200 STR, Roessler Titan or Blaser R8.
Remington Model 95 with pearl grips and barrels open for reloading COP .357 Magnum derringer. The original Philadelphia Deringer was a small single-barrel, muzzleloading caplock pistol designed by Henry Deringer (1786–1868) and produced from 1852 to 1868, and was a popular concealed carry single-shot handgun of the era widely copycatted by competitors. [6]