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  2. Worshipful Company of Gunmakers - Wikipedia

    en.wikipedia.org/wiki/Worshipful_Company_of_Gun...

    The major three activities of the Proof House are: proof, safety and de-activation. Proof is the process of testing the safety of a gun barrel. It is still done as it has been since the company was established in 1637: by test-firing the gun with an over-pressure charge of powder. If the gun survives undamaged, it will be safe to shoot.

  3. Cask strength - Wikipedia

    en.wikipedia.org/wiki/Cask_strength

    Aberlour A'bunadh Batch 59, labeled as "bottled straight from the cask". Cask strength (also known as barrel proof/barrel strength) is a term used by whisky (spelt "whiskey" in Ireland and the United States) and rum producers to describe a whisky or rum that has not been substantially diluted after its storage in a cask for maturation.

  4. Anschütz 1827 Fortner - Wikipedia

    en.wikipedia.org/wiki/Anschütz_1827_Fortner

    The barreled action is produced by Fortner Waffen, and has a length of 730 mm. Although having been produced for nearly 40 years, the barreled action has not changed very much. All accessories and other parts are compatible across all production years. For example, triggers from any production year are technically the same and compatible.

  5. John Rigby & Company - Wikipedia

    en.wikipedia.org/wiki/John_Rigby_&_Company

    The larger action was originally meant for Rigby's interim .400/.350 round, but in 1911 the company introduced the .416 Rigby cartridge for rifles built on the Magnum Mauser action. This was the first magazine rifle that could perform on a par with the powerful Nitro-Express double rifles, for one-third to one-fifth of their prices.

  6. NATO EPVAT testing - Wikipedia

    en.wikipedia.org/wiki/NATO_EPVAT_testing

    The above proof round pressure requirements for the 9 mm and 12.7 mm rounds established by the British Ministry of Defence are higher than the current (2008) C.I.P. proof round pressure requirement legislation for the civilian equivalent 9 mm Parabellum (C.I.P. P max rating 235 MPA / (34,083 psi) and .50 Browning (C.I.P. P max rating 370 MPA ...

  7. Action (firearms) - Wikipedia

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

    A break action is a type of firearm where the barrel(s) are hinged and can be "broken open" to expose the breech. Multi-barrel break action firearms are usually subdivided into over-and-under or side-by-side configurations for two barrel configurations or "combination gun" when mixed rifle and shotgun barrels are used.

  8. Montana Rifle Company - Wikipedia

    en.wikipedia.org/wiki/Montana_Rifle_Company

    The MRC actions are a combination of features of the Model 98 Mauser style and the pre- 64 or Classic model 70 Winchester style actions with M-98 style controlled-feed bolt action system with M-98 barrel to action mounting (no cone barrel cut) plus a one piece trigger guard.

  9. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    Before the barrel can release the bullet in a consistent manner, it must grip the bullet in a consistent manner. The part of the barrel between where the bullet exits the cartridge, and engages the rifling, is called the "throat", and the length of the throat is the freebore. In some firearms, the freebore is zero as the act of chambering the ...