The B&T USW (Universal Service Weapon) is a series of selective-fire Handgun (machine pistol) designed and manufactured by Brügger & Thomet. It features vertical slide serrations on the front instead of the rear, (USW-A1 variant), dual diagonal serrations (USW-320), dust cover with Picatinny rail, and optional side-folding stock.
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B&T Usw
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