Description

The HW100 O-Ring 32×2 (Part No. 2603A) is a factory-spec replacement sealing component developed for the Weihrauch HW100 PCP air rifle platform. This larger O-ring plays an important role in maintaining airtight integrity within key parts of the rifle’s air system, such as the air cylinder or main sealing interfaces. Manufactured to match original specifications, it is commonly replaced during routine maintenance or full seal kit servicing. Installing a correctly sized O-ring helps prevent air leaks, ensures stable pressure retention, and supports reliable performance of the HW100 rifle.