KOCH ARMS MOD 1 Full AMBI Lower Receiver

KOCH ARMS MOD 1 Lower, Full AMBI Bolt Catch, Mag Release, Safety Selector.

Custom Milled Out Using The HK 416 A5 Bolt Catch.

Black Cerakote, other colors available

7075 Forging

3 week lead time

we can build these as a completed lower as custom build