Description
Breech O-Ring for Weihrauch HW40 & Beeman P1 (After Model 310911)
Quantity: 4
Replacement Breech O-Ring for:
– Weihrauch HW40
– Beeman P1 (After Model 310911)
- Durable Buna N Material
- Direct fit after-market replacement
- Made in USA
User must install according to manufacturer specifications. All brand new parts, satisfaction guaranteed.
Product Overview:
This Breech O-Ring set is engineered to maintain a secure and consistent air seal in your Weihrauch HW40 or Beeman P1 pistol. Manufactured from high-quality Buna-N rubber, these O-rings provide excellent resistance to compression, wear, and temperature fluctuations.
Why Choose This Kit:
- Perfect Fit: Designed for post-Model 310911 Beeman P1 and HW40 breech assemblies.
- Performance-Rated: Ensures reliable pressure retention for optimal shooting consistency.
- Long-Lasting Material: Buna-N provides excellent resistance to oil and air compression stress.
- U.S. Manufactured: Precision-made with strict quality control standards.
Key Benefits:
- Restores factory-level air seal integrity
- Improves velocity consistency and accuracy
- Cost-effective solution for preventive maintenance
All parts meet or exceed OEM quality standards. Fast shipping from the USA — satisfaction guaranteed.



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