is a powerhouse in the air rifle world, famous for its unique . Unlike a standard spring-piston rifle, the HW90 uses pressurized air as its powerplant. While this makes for a smoother, more adjustable shot cycle, it also means that once those internal seals fail, your rifle becomes a very heavy paperweight.
Restoring the Punch: A Step-by-Step Guide to Resealing Your Weihrauch HW90 Weihrauch HW90 HW90 Reseal
) and a to repressurize the system afterward. Step 1: Depressurize and Disassemble is a powerhouse in the air rifle world,
Before you start, ensure you have a clean workspace and the following items: more adjustable shot cycle
: Includes the necessary O-rings (typically two OR066 and two OR070), a scraper ring, and a new Schrader valve. Replacement Piston Seal