• Decapper

    A tool used to remove primers from cartridges More

  • Deutsche Waffenund Munitionsfabriken (DWM)

    DWM was the result of the business activities of two brothers, Ludwig and Isidor Lowe. Their company, Ludwig Lowe und Companie originally specialized in the manufacture of machine tools and sewing machines. After gaining a government contract in 1870 during the Franco-Prussian War, the company began to manufacture rifle sight assemblies. Lowe und Companie's skill and precision at this venture soon led to further government contracts, both domestic and foreign. More

  • Disconnector

    That part of a semi-automatic firearm that prevents it from firing more than once from a single pull of the trigger. More

  • Dispersion

    The greatest distance between any two bullet holes in a target normally measured center to center More

  • Double-Action

    A revolver in which a pull of the trigger will both cock and release the hammer to discharge the weapon More

  • Dram Equivalent

    Describes the power fo a shotgun shell by equating its load to the same velocity produced by an equivalent load in black powder (in drams) More

  • Drift

    The deviation in flight of a projectile from the centerline of the bore due to the spin imparted by the rifling More

  • Dry-Fire

    The act of releasing a firing pin without a cartridge in the chamber More

  • Dum-Dum bullet

    Any bullet made at the Dum-Dum arsenal in India during the 1890s. The term is often inappropriately applied to expanding bullets. More

  • Dust Cover

    A cover on the firearm to deter dust and particles from entering the action. More

  • Dwell Time

    The time it takes a bullet to travel the length of the barrel and exit the muzzle. More