No! Using an M16 or full-auto BCG in any AR-15 is 100% legal. They are not regulated by any laws, whatsoever. SIONICS only uses full mass BCGs to ensure the most efficient cycling and consistent bolt speed.
No! Using an M16 or full-auto BCG in any AR-15 is 100% legal. They are not regulated by any laws, whatsoever. SIONICS only uses full mass BCGs to ensure the most efficient cycling and consistent bolt speed.