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 Ejection Port Cover
MG34 Front sight
M31 Receiver Center Section semi auto
MG34 Front Sight Base
M31 Spring Mount Forward Sear
MG34 Belt Transport Lever- Right-Hand Feed
M31 Y-Series Striker
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