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  2. Washer (hardware) - Wikipedia

    en.wikipedia.org/wiki/Washer_(hardware)

    Type B is a series of flat washers with tighter tolerances where outside diameters are categorized as "narrow", "regular" or "wide" for specific bolt sizes. [26] "Type" is not to be confused with "form" (but often is). The British Standard for Metric Series Metal Washers (BS4320), written in 1968, coined the term "form". The forms go from A to ...

  3. Barrel threads - Wikipedia

    en.wikipedia.org/wiki/Barrel_threads

    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 .

  4. Belleville washer - Wikipedia

    en.wikipedia.org/wiki/Belleville_washer

    Belleville washer. A Belleville washer, also known as a coned-disc spring, [1] conical spring washer, [2] disc spring, Belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically. A Belleville washer is a type of spring shaped like a washer.

  5. Specifications for World War II infantry weapons - Wikipedia

    en.wikipedia.org/wiki/Specifications_for_World...

    Name: Nation: Calibre (mm) Capacity: Muzzle velocity (m/s) Barrel length (mm) Overall length (mm) Unloaded weight (kg) Number produced Berthier rifle: France: 8×50mmR Lebel

  6. List of anti-materiel rifles - Wikipedia

    en.wikipedia.org/wiki/List_of_anti-materiel_rifles

    Bolt-action .50 BMG PDSHP Georgia: 2014 Bolt-action Semi-automatic 12.7×108mm Satevari MSWP Georgia: 2015 Bolt-action .50 BMG DSR-Precision DSR-50 Germany: 2003 Bolt-action .50 BMG Mauser Tankgewehr M1918 German Empire: 1918 Bolt-action 13.2mm TuF: Gepárd anti-materiel rifle Hungary: 1987 Bolt-action Semi-automatic .50 BMG 12.7×108mm 14.5×114mm

  7. List of sniper rifles - Wikipedia

    en.wikipedia.org/wiki/List_of_sniper_rifles

    Bolt-action Russia: 1997 Remington MSR: Remington Arms.338 Lapua Magnum.338 Norma Magnum.300 Winchester Magnum.308 Winchester 7.62×51mm NATO: Bolt-action United States: 2009 M2010 Enhanced Sniper Rifle: Remington Arms.300 Winchester Magnum: Bolt-action United States: 2010 M1903 Springfield: Springfield Armory.30-03 Springfield.30-06 ...

  8. List of firearms - Wikipedia

    en.wikipedia.org/wiki/List_of_firearms

    Hagelberg FH 50(US – single-shot bolt-action anti-materiel rifle – .50 BMG) Hagelberg FH 50 variantK (US – single-shot bolt-action anti-materiel rifle – .50 BMG) Hagelberg FH 50 variantL (US – single-shot bolt-action anti-materiel rifle – .50 BMG) Hakim Rifle (Egypt, Sweden – semi-automatic rifle – 7.92×57mm Mauser)

  9. M12 - Wikipedia

    en.wikipedia.org/wiki/M12

    M12 bolt, a size of ISO metric screw thread; M12 connector, a size of IEC metric screw sized electrical connector; Mathieu group M 12, in the mathematical field of group theory; Magic 2012, the thirteenth core set in Magic: The Gathering; S-mount (CCTV lens), a CCTV lens mount using a M12x0.5 thread; M12, a difficulty grade in mixed climbing