Autococker 450 pcs. Oring Repair Seal Kit CRBN Chest Protector Lower Expanding Capacity Compartment Size:2XL Lower Expanding Capacity Compartment The Shocker was one of the first high end electronic paintball markers in the industry Elevate your marker's longevity and performance with our meticulously crafted Autococker O ring kits )50pc B70015 015 B70 Buna N 70 O ring25pc B90015 015 B90 Buna N Nitrile O ring15pc B70017 017 B70 Buna N 70 O ring15pc B70018 018 B70 Buna N 70 O ring15pc B70110 110 B70 Buna N 70 O ring15pc B70112 112 B70 Buna N 70 O ring15pc B70113 113 B70 Buna N 70 O ring1pc 8 X 4 18 Compartment Box with O ring Specs Guide on Lid