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.
M31 Trigger Spring
M31 Spring Mount Forward Sear
M31 Suomi 36 Round Stick Magazine
M31Trigger Only Assembly
M31 Semi Auto Receiver Assembly instructions and BATF Approval Letter
M31 Firing Pin Bushing
M31 Semi Auto Charging Block
M31 Rear Sight Assembly
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