Q: I received a CMMG INC MK4 lower receiver, it has the full lower parts kit and a PISTOL buffer, buffer tube and buffer spring. It is ready to put on any upper receiver and shoot, it just does not have a stock. I am unsure what to put this in my A&D book as – “lower receiver” “pistol” “pistol lower receiver”. What should I list under “type”?
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