Found 2 3D-models for “breech seal” across many websites

#breech seal#nonmetric#thomy#big#airgun#closure#remolade#deckel#15mm#cap
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Airgun B3 Breech Seal

Airgun B3 Breech Seal

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Tube Cap for big THOMY and other tubes with 15mm diameter

Tube Cap for big THOMY and other tubes with 15mm diameter

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