I originally configured my lower to have a 10.5" barre/upper. I want to get a 12" LMT piston barrel to go into my MRP. What are the laws around multiple barrels and uppers?
Thanks,
Eric
I originally configured my lower to have a 10.5" barre/upper. I want to get a 12" LMT piston barrel to go into my MRP. What are the laws around multiple barrels and uppers?
Thanks,
Eric
Last edited by Alpha231; 03-30-10 at 19:33.
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