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13 Posts
For educational purposes.
Reading confusing things on Full Auto capable USC conversions. Hkparts sells 3 stage trigger lowers and other burst lowers. I do know that if you were to go full auto you have to cut a notch in the USC reciever. But do the hk parts lowers then make it a full auto? Or do you have to buy the FBI lower and swap parts. All pending a 9mm conversion as the bolt is full auto.
Minus all legal issues such as 922r and ATF forms.
Breakdown
9mm conversion plus all other ump parts with hkparts lowers or is it required to get FBI lower for full auto after modification of the reciever
Reading confusing things on Full Auto capable USC conversions. Hkparts sells 3 stage trigger lowers and other burst lowers. I do know that if you were to go full auto you have to cut a notch in the USC reciever. But do the hk parts lowers then make it a full auto? Or do you have to buy the FBI lower and swap parts. All pending a 9mm conversion as the bolt is full auto.
Minus all legal issues such as 922r and ATF forms.
Breakdown
9mm conversion plus all other ump parts with hkparts lowers or is it required to get FBI lower for full auto after modification of the reciever