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  2. Heckler & Koch MP5 - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_MP5

    The MP5SD ("SD" meaning Schalldämpfer, German for "sound suppressor") is a variant of the MP5 with an integral suppressor, introduced in 1974. [34] The integral suppressor, built around its 5.7-inch barrel, uses a unique two-stage design that allows it to operate silently in most environments, including when wet, while still remaining reliable ...

  3. Muzzle brake - Wikipedia

    en.wikipedia.org/wiki/Muzzle_brake

    The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) made a regulatory determination in 2013 that the muzzle device of the SIG Sauer MPX Carbine, adapted from the baffle core of the integrally suppressed version's suppressor and claimed by SIG to be a muzzle brake, constituted a silencer and rendered the MPX-C a Title II NFA weapon.

  4. Heckler & Koch UMP - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_UMP

    The UMP was designed in the 1990s by Heckler & Koch (HK), as a cheaper, lighter alternative to the MP5, [5] which made heavy use of polymers. [6] The UMP first entered production in 2000. [ 2 ] It was designed primarily for use by American military and law enforcement units, [ 7 ] as the MP5 was not available in .45 ACP, a round which was ...

  5. Heckler & Koch MP7 - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_MP7

    The UCP was designed to accept an extended, threaded barrel capable of accepting the attachment of a sound suppressor made by Brügger & Thomet. [ 57 ] The design remained in the prototype phase as of 2006 [update] , and had been reported as entering limited trials with the Bundeswehr.

  6. Heckler & Koch MG5 - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_MG5

    In a stationary, heavy machine gun role the MG5 can also be mounted on the MG3 Feldlafette buffered field tripod by using additional adapters. The Bundeswehr use a RAL 8000 green brown surface finish on their MG5s and has chosen to use a 550 mm (21.7 in) barrel instead of a 663 mm (26.1 in) barrel for their mounted guns to promote parts uniformity

  7. Blank-firing adapter - Wikipedia

    en.wikipedia.org/wiki/Blank-firing_adapter

    U.S. Army soldiers in UCP ACUs training with their M4 carbines fitted with bright yellow blank-firing adapters.. A blank-firing adapter or blank-firing attachment (BFA), [1] sometimes called a blank adapter or blank attachment, is a device used in conjunction with blank ammunition for safety reasons, functional reasons or a combination of them both.

  8. Extension tube - Wikipedia

    en.wikipedia.org/wiki/Extension_tube

    An advantage to the non-electrical tubes is their lower price. Other items like lens adapters may unintentionally have an effect similar to an extension tube. A lens designed for a small flange focal distance may not be able to focus to infinity when a lens adapter places the sensor too far away.

  9. M203 grenade launcher - Wikipedia

    en.wikipedia.org/wiki/M203_grenade_launcher

    The M203 is a single-shot 40 mm under-barrel grenade launcher designed to attach to a rifle. It uses the same rounds as the older stand-alone M79 break-action grenade launcher, which utilizes the high-low propulsion system to keep recoil forces low.