what type of screw did you guys get for the kapp foregrip extender? i know its a 1/4 inch thread, but how big should the head of it be?
(if any of you have pictures of your foregrip extender on your mag, or the screw, please post here)
(if any of you have pictures of your foregrip extender on your mag, or the screw, please post here)


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