MP-133

MP-133 shotgun with wooden stock and extended magazine.
 MP-133 shotgun with wooden stock and extended magazine.

 

MP-133 shotgun with pistol grip and standard capacity magazine.
 MP-133 shotgun with pistol grip and standard capacity magazine.

 

MP-133K shotgun with polymer stock and detachable box magazine.
 MP-133K shotgun with polymer stock and detachable box magazine.

 

  MP-133 MP-133K
Type pump action
Gauge 12, 76 or 89 mm (3" or 3.5") chamber 12, 76 mm (3") chamber
Length 1040 mm (with 510mm barrel)
Barrel length 510, 540, 610, 660, 710 or 750 mm
Weight 3.3 kg
Capacity: 4 rounds in underbarrel tube magazine (standard),
up to 6 rounds with magazine extension
5 rounds in detachable box magazine

 

MP-133 is a product of the Izhevsk Mechanical plant. Thisshotgun is an evolution of the earlier IZh-81 pump action shotgun, and is intended primary for civilian and security markets. It is produced in two basic versions (standard MP-133 with tubular magazine andMP-133K with detachable box magazine), and either version can be had in a variety of barrel lengths and styles, as well as in wooden or polymer furniture, with traditional fixed buttstock, side-folding (AK-74M type)polymer folding buttstock, or pistol grip and no buttstock.

The MP-133 shotgun uses traditional pump action with sliding forend that has dual action bars. Locking is achieved by a tilting locking piece, which is installed in the bolt and engages the notch in the barrel extension when in battery. Feed is from tubular underbarrel magazine which holds 4 rounds (capacity can be enhanced byinstalling magazine extension tubes). On MP-133K, a box magazine holding 5 rounds is inserted from below the receiver, with magazine catch located between magazine and trigger guard. Receiver of the MP-133 is made from aluminum alloy. Barrels can be easily removed, and available in a variety of lengths and styles (with ventilated ribs or with no rib and rifle-type sights). Barrels are equipped with interchangeable choke system.