BCM® Taper Pins for Front Sight Base (Set of 2)
BCM®’s USGI Taper Pins to secure the front sight base to the barrel on a M16 Rifle or M4 Carbine. These should only be installed by a qualified AR15 Armorer. These will not fit in holes drilled for straight pins. Holes must be reamed with a 2/0 reamer. (Do not over ream)
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