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  2. Knockout punch - Wikipedia

    en.wikipedia.org/wiki/Knockout_punch

    The screw is then threaded into the punch and the screw tightened until the punch is drawn completely through the sheet metal. [2] The manual system uses a screw that has a standard hex head or square head and is driven using an allen key or wrench. A manual knockout punch can handle holes from 0.5 to 1.25 in (13 to 32 mm).

  3. PP-19 Bizon - Wikipedia

    en.wikipedia.org/wiki/PP-19_Bizon

    It features an AK-style iron sights (an open U-notch rear sight on a tangent with three settings: 50, 100 and 150 m and a semi-shrouded front post), a receiver-mounted side rail adapter for optics and a new slotted flash hider designed to accept a quick-detachable sound suppressor. The Bizon-2 is made in several variants to increase the product ...

  4. Turret punch - Wikipedia

    en.wikipedia.org/wiki/Turret_punch

    A turret punch or turret press is a type of punch press used for metal forming by punching. Punching, and press work in general, is a process well suited to mass production. However the initial tooling costs, of both the machine and the job-specific press tool, are high. This limits punch work from being used for much small-volume and prototype ...

  5. Hi-Point C-9 - Wikipedia

    en.wikipedia.org/wiki/Hi-Point_C-9

    Like other Hi-Point pistols, field stripping the C-9 requires the use of a small punch or a small screwdriver and a hammer to remove a spring pin in the receiver. [8] The weapon's overall reliability has been questioned because of different kinds of jamming: misfeed and failure to return to battery among others. [8] [9]

  6. 9 mm caliber - Wikipedia

    en.wikipedia.org/wiki/9_mm_caliber

    This is a list of firearm cartridges that have bullets in the 9 millimeters (0.35 in) to 9.99 millimeters (0.393 in) caliber range.. Case length refers to the round case length.

  7. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    The Adell and Starrett mechanism uses a sliding block crosswise through the hammer rather than an intermediate pin. The hammer has a hole through its center that the top of the punch sits in, and holds the top of the punch centered. The sliding block has a hole through it that, when reset, is misaligned with the hole through the hammer.

  8. M231 Firing Port Weapon - Wikipedia

    en.wikipedia.org/wiki/M231_Firing_Port_Weapon

    The M231 Firing Port Weapon (FPW) is an adapted version of the M16 assault rifle for shooting from firing ports on the M2 Bradley.The M16, standard infantry weapon of the time, was too long for use in a "buttoned up" APC, so the FPW was developed to provide a suitable weapon for this role.

  9. Heckler & Koch P9 - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_P9

    High-profile fixed sights are fitted with two red rectangles on the rear sight and a white stripe on the drift adjustable front blade sight. Vertical zeroing is accomplished by fitting front sights of a different height. [1] The P9S trigger operates as a traditional double action.