MP-412 REX

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MP 412 REX
MP 412.jpg
Type Revolver
Place of origin Russia
Service history
In service probably 1993 to present
Used by Russian Armed Forces
Wars N/A
Production history
Designer unknown
Designed in 1993
Manufacturer IZHMECH
Produced late 1990s (prototypes only—never reached production stage)
No. built Unknown
Variants N/A
Weight (unloaded) 0.9 kg[1]
Barrel length
  • 4 in (102 mm)
  • 6 in (153 mm)

Caliber .357
Action Double-action
Feed system Six round cylinder

The MP412 REX is a Russian double-action .357 magnum revolver with a break-action chamber and an automatic ejector. It was designed for export (REX, Revolver for EXport), but never put into full production due to lack of a market. The weapon was designed by IZHMECH, the state-owned Russian Izhevsk Mechanical Plant, which also designed and produced the Makarov PM semi-automatic pistol.

The MP412 was unique in that it had a break-open frame rather than a swing-out cylinder design of most modern revolvers and a composite bottom frame consisting of steel with a polymer envelope.[1] The REX never entered full production, possibly due to lack of market interest.[1] This may be due to the break-action design being seen as not as strong as the more modern swing-out cylinder design which is inherently stronger, having a solid top instead of a top latch. The largest potential market, the United States, was closed to this revolver because it was manufactured in Russia; President Bill Clinton signed an agreement with Russian President Boris Yeltsin in the 1990s voluntarily banning the import of firearms from Russia to the United States.[citation needed]


See also[edit]


  1. ^ a b c Maxim Popenker. "MP-412 Rex revolver (Russia)". Retrieved 2010-03-15.