M31 Semi Auto Home Built Receiver Kit
Approximately Ships in 8 weeks
This parts set is the for the manufacturing of a home built semi auto M31's receiver. These parts are available in this set, and are also sold individually.
The assembly, machining, and welding of these parts constitutes the manufacturing of a firearm and the BATF Letter provided with this set must be followed.
M31Pin, Firing Pin Cross PIN QTY 2
M31 Safety Spring
M31 Hammer Spring
M31 Trigger Bar
M31 80% Receiver Tube
M31 FIRING PIN RETURN SPRING
M31 Firing Pin Retainer
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