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 Receiver Center Section semi auto
M31 Semi Auto Receiver Assembly instructions and BATF Approval Letter
M31 Semi-Auto Assembled Receiver (FFL Required)
M31 Spring Mount Forward Sear
M31 Rear Sight Screw
M31 Safety Spring
M31 Suomi 36 Round Stick Magazine
M31 SEMI AUTO BOLT ASSEMBLY
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