When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Rimfire ammunition - Wikipedia

    en.wikipedia.org/wiki/Rimfire_ammunition

    A rimfire firing pin produces a notch at the edge of the case; a centerfire pin produces a depression in the center of the primer. It is named rimfire ammunition as the firing pin strikes and crushes the base's rim to ignite the primer. The rim of such a cartridge is essentially an expanded and flattened end section of the case, and the priming ...

  3. .22 Winchester Magnum Rimfire - Wikipedia

    en.wikipedia.org/wiki/.22_Winchester_Magnum_Rimfire

    The .22 Winchester Magnum Rimfire, also known as the .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, [2] or .22 Mag, is a rimfire cartridge.Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR is now loaded with bullet weights ranging from 50 grains (3.2 g) at 1,530 feet per second (470 m/s) to 30 ...

  4. Firing pin - Wikipedia

    en.wikipedia.org/wiki/Firing_pin

    A firing pin or striker is a part of the firing mechanism of a firearm that impacts the primer in the base of a cartridge and causes it to fire. In firearms terminology, a striker is a particular type of firing pin where a compressed spring acts directly on the firing pin to provide the impact force rather than it being struck by a hammer.

  5. Cartridge (firearms) - Wikipedia

    en.wikipedia.org/wiki/Cartridge_(firearms)

    In the mid to late 19th century, many rimfire cartridge designs existed. Today only a few, mostly for use in small-caliber guns, remain in general and widespread use. These include the .17 Mach II, .17 Hornady Magnum Rimfire (HMR), 5mm Remington Magnum (Rem Mag), .22 (BB, CB, Short, Long, Long Rifle), and .22 Winchester Magnum Rimfire (WMR).

  6. Primer (firearms) - Wikipedia

    en.wikipedia.org/wiki/Primer_(firearms)

    The .17 HMR is essentially a .22 WMR cartridge necked down to accept a .17-caliber bullet and is used as a flat-shooting, light-duty varmint round. The .17 HMR was followed up by Hornady's .17 Mach 2, or .17 HM2 in 2003, which is based on a slightly lengthened and necked-down .22 Long Rifle cartridge.

  7. Pinfire cartridge - Wikipedia

    en.wikipedia.org/wiki/Pinfire_cartridge

    Although not practical weapons, they use pinfire ammunition because the caliber is too small for centerfire or rimfire. Antique pinfire firearms and cartridges are available on the collector market and modern reloading kits exist which contain specialized cartridges which can be hand loaded, though the process is far more complex than loading ...

  8. .22 Winchester Rimfire - Wikipedia

    en.wikipedia.org/wiki/.22_Winchester_Rimfire

    Introduced in the Winchester M1890 slide rifle, it had a flat-nose slug, and is identical to the .22 Remington Special (which differed only in having a roundnosed slug). [3] It uses a flat-based, inside-lubricated bullet, which differs from the outside-lube heeled bullet of the .22 BB, .22 CB, .22 Short, .22 Long, .22 Long Rifle, and .22 Extra Long cartridges.

  9. List of 3D-printed weapons and parts - Wikipedia

    en.wikipedia.org/wiki/List_of_3D-printed_weapons...

    37mm ammunition The Harlot [33] 2022, February Primarily printed firearm: Pistol Single-shot FDM BAD-CAD / Black Lotus Coalition .22 caliber barrel liner, spring, fasteners .22 LR: A mostly printed .22 LR pistol. Uses a DIY metal barrel, firing pin, and spring. Simple and extremely cheap, designed to cost $5-$8.