M31 Receiver Center Section semi auto
M31Center Section for the semi auto rifle. Refer to PN M31S-GNPT-XX09-BKXX-RCKT for complete assembly diagram.
M31 Semi Auto Charging Block
M31 Semi Auto Receiver Assembly instructions and BATF Approval Letter
M31 SA Trigger Group Assembly - Service Work
M31 Spring Mount Forward Sear
M31 Rear Sight Screw
M31 Lower Receiver Section Machined
M31 Safety Spring
M31 Suomi 36 Round Stick Magazine
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