
With the BCM MK2 BFH Carbine Barreled upper receiver, BCM M16 Bolt Carrier Group bolt carrier group and Geissele SSA X Lightning Bow trigger.
Updated
Reliable 5.56 build

With the BCM MK2 BFH Carbine Barreled upper receiver, BCM M16 Bolt Carrier Group bolt carrier group and Geissele SSA X Lightning Bow trigger.
Updated
Reliable 5.56 build

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