This smoothbore pump-action repeater is a convenient weapon for hunting, law enforcement and self-defence. MP-133 shotgun is designed for 12/89 cartridges and shows dependable performance with the whole range of 12 gauge – from 12/70 to 12/89. The option chambered in 76 mm is also available. The breechblock being attached directly to the barrel provides stable and durable lock and unloads the chamber at the moment of shot. Receiver is made of aluminium alloy.

Removable hammer-type trigger mechanism with safety system. Safety system prevents discharge while the bolt is not fully locked. Lock-up system that prevents the breechblock from accidental unlocking prior to shot. Non-automatic safety that blocks the trigger.

Anti-runaway device for extraction of cartridge from the chamber. 610, 660, 710, 750 mm barrels (and shorter barrels – upon special request) are equipped with a ventilated rib. The bores are chrome-plated. Under-barrel tube magazine has improved cut-off system. The magazine capacity can be increased via extender.

     Available options:

• Complete with screw-in chokes for steel and lead shot. Extra full (XF) screw-in choke is used with steel shot only.
• Different variants of stock and forend:
  - walnut or beech, rubber butt pad;
  - polymer, rubber butt pad;
  - folding stock;
  - pistol grip without stock.
• Front and rear sights, w/out rib.
• MP-133K (12/76 gauge) equipped with removable box magazine.