HOW KNIGHTS ARMAMENT RAIL CAN SAVE YOU TIME, STRESS, AND MONEY.

Hand guards will differ based upon which you select to build. The URG-I for instance makes use of a geissele mk16 9″ handguard which only seem to be obtainable on their own recently introduced URG-I upper receivers.When stowed from the folded placement, the M4’s sight base extends back again to envelope the front sight leaf on the right and rem