M31 Firing Pin Bushing
The M31 Firing pin Bushing for the M31 Semi Auto bolt. This bushing is pressed in to the front of the bolt forming the primer pocket.
M31 Charging Handle Return Spring
M31 Suomi 36 Round Stick Magazine
M31 Trigger Bar
M31 Semi Auto Receiver Assembly instructions and BATF Approval Letter
M31 FIRING PIN RETURN SPRING
M31 Receiver Center Section semi auto
M31 Shroud Shim
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