10pk Breech Plug Adapter O-ring 35007531 or 7531 fits various Thompson Center T/C

$ 18.00

Larger outer breech plug O-ring 

-Seals Speed Breech XT quick-removal breech plug system. 

- FKM fluorocarbon compatible with Viton for better heat resistance and chemical degradation than standard Buna. 

Fits: 

  • T/C Encore Pro-Hunter (Muzzleloader version) 

  • T/C Endeavor 

  • T/C Triumph 

  • T/C Triumph Bone Collector 

  • T/C Strike (often shares the same outer breech adapter profile) 

  • Impact / Impact SB 

Blowback kit also available.