5 SIMPLE TECHNIQUES FOR KNIGHTS ARMAMENT M4 QUAD RAIL

Hand guards will vary depending on which you choose to construct. The URG-I for instance takes advantage of a geissele mk16 nine″ handguard which only appear to be out there on their own recently produced URG-I upper receivers.To the remaining inside the picture right here we are able to see the additional cuts produced in to slot 28 (in comparis