Daewoo Precision Industries USAS-12
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The USAS-12 is an automatic shotgun manufactured in South Korea by Daewoo Precision Industries since the 1980s. Wikipedia
Manufacturer: Daewoo Precision Industries, Interord Corp.(Nashville, Tennessee,) RAMO Defense Co., Ameetec Arms LLC
Caliber: 12-gauge
Designer: John Trevor Jr
Effective firing range: 30–40 m
Feed system: 10-round detachable box magazine or 20-round drum magazine
Length: 960 mm
Muzzle velocity: 400 m/s (1,300 ft/s)