Utilizing modern manufacturing processes, Summit manufactures purpose built gear for a wide range of firearms. View cart “Summit 1/2″ Crush Washer” has been added to your cart. Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Showing all 4 results Quick View Quick View Grand Power Magazines, Magazine CouplersSUMMIT Stribog TR22 Mag Coupler $29.95 Add to cart Quick View Quick View Pistol GripsSummit AR Ergo Pistol Grip $34.95 Add to cart Quick View SOLD OUT Out of Stock Quick View Magazine CouplersSUMMIT 10/22 Magazine Coupler $29.95 Out of stock Quick View SOLD OUT Out of Stock Quick View Magazine CouplersSUMMIT 10/22 Magazine Tri-Coupler $39.95 Out of stock