Lockhart Tactical Ultra Low Profile Adjustable Gas Block 0.750"Fits: Raven (556)Works on any AR-15/M16 barrels with 0.750" gas journalMade from 316 Stainless Steel, Our ultra low profile adjustable ga
Thanks to its versatility and ease of adjustment, the SC-917-5 is one of our most popular gun racks. Our patented SC-5 gunlock can slide and lock into any position along the length of the 18″ mounti