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.
M31 Semi Auto Charging Block
M31 Rear Sight Screw
MG34 Bolt Cam - Out of Stock
M31Pin, Firing Pin Cross PIN QTY 2
ASR Child Safety Key
MG34 Cocking Handle Assembly - Out of Stock
MG34 Front sight
ASR Two Stage Trigger Kit
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