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 Front Sight Base
M31Pin, Firing Pin Cross PIN QTY 2
ASR Barrel Nut
MG34 Ejection Port Cover
M31 FIRING PIN RETURN SPRING
M31 80% Receiver Tube
MG34 Extractor Lever
M31 Safety Spring
Share your knowledge of this product.
Be the first to write a review »
TNW Firearms. All Rights Reserved.