M31 Semi Auto Receiver Assembly instructions and BATF Approval Letter
This packet includes the steps necessary to build your own M31 semi auto receiver. The BATF letter included lays out the rules for manufacturing and proper marking. Please look at PN M31S-GNPT-XX09-BKXX-RCKT for a complete diagram.
*This Package is for the receiver only, not the complete rifle.
MG34 Belt Holding Pawl
MG34 Buffer Spring
MG34 Rear Sight Latch - Left and Right
MG34 SA Firing Pin Spring
MG34 Barrel Return Plunger Pin
MG34 Belt Pressure Lever- Left
MG34 FA Bolt Assembly
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