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B&T AG, formerly Brügger & Thomet AG, is a Swiss defence supplier specializing in the design and manufacturing of firearms and tactical components like sound suppressors and rail systems. The company is based in Thun southeast of Bern , Switzerland.
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.
Gun rights advocates, gun media and the firearms industry generally claim that the word "silencer" is defined as meaning total silence, while "suppressor" or "moderator" are defined as meaning only reduced sound intensity, in spite of its original definition. [17] [18] As such, "suppressor" and "moderator" have become the suggested terms. [19] [20]
The Welrod is a British bolt-action, magazine-fed pistol with an integrated silencer that was devised for covert operations during the Second World War by Major Hugh Reeves at the Inter-Services Research Bureau (later Station IX).
It has a shorter 226 mm (8.9 in) barrel (with an open, 3-prong flash suppressor) and gas tube, ventilated handguards and a redesigned bolt carrier group that was integrated with the piston rod to form a single moving assembly. The SG 552 series rifles have a 360 mm (14.2 in) long sight radius.
The AMD-65 (Hungarian: Automata Módosított Deszantfegyver 1965; Automatic Modified Paratrooper Weapon 1965) is a Hungarian-manufactured licensed variant of the selective fire AKM rifle for use by the armored infantry and paratrooper ("descent") units within the Hungarian Defence Forces.
From a thermodynamic point of view, a firearm is a special type of piston engine, or in general heat engine where the bullet has a function of a piston. The energy conversion efficiency of a firearm strongly depends on its construction, especially on its caliber and barrel length.