Arsenal Oring Kit for Viewloader, Brass Eagle, and Stryker Guns Striker Oring - small x 10 Valve Body Oring x 20 Valve Plug Oring x 10 Front Bolt Oring x 10 Middle Bolt Oring x 10 C/A Adapter Oring x 10 Barrel Oring x 10 Bolt Plug Oring x 10 Braided Hose Lower Oring x 10 Velocity Adjustment Screw Oring x 10 Braided Hose Upper or Vertical Adapter Oring x 10 Bolt Oring - Back x 10 Striker Oring x 10 Sear Pivot Pin Retaining Oring x 10 Sear Stop Pin Retaining Oring x 10 Trigger Pivot Pin Retaining Oring x 10 Bulk Kits come with 10 of Every Oring, in Buna material, and also a parts box for easily selecting the size you need. Our OEM kits include the correct OEM material and durometer orings specified by the manufacturer. With our OEM oring kits, you'll be in the game and still shooting for longer. Our economy bulk oring kits will give you more sets of replaceable orings or other needed items and are designed for more regular maintenance schedules.