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 2 results Quick View SALE Quick View RiflescopesSummit Optics Scope 3-9X40 $149.95 Original price was: $149.95.$69.95Current price is: $69.95. Add to cart Quick View SOLD OUT Out of Stock Quick View Bolt/Charging Handle PartsSummit AR15 Ambi Extended Charging Handle $59.95 Out of stock