5pk Breech Adapter O-ring #35007531 or 7531 fits various Thompson Center T/C
$ 10.00
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:
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T/C Encore Pro-Hunter (Muzzleloader version)
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T/C Endeavor
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T/C Triumph
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T/C Triumph Bone Collector
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T/C Strike (often shares the same outer breech adapter profile)
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Impact / Impact SB
Blowback kit also available.