Hw90 Reseal Here

: Includes the necessary O-rings (typically two OR066 and two OR070), a scraper ring, and a new Schrader valve. Replacement Piston Seal

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 : Includes the necessary O-rings (typically two OR066

If you’ve noticed a drop in power, a "slammy" shot cycle, or if air escapes when you remove the rear port screw, it's time for a reseal. Here is a comprehensive guide to getting your HW90 back in peak condition. Essential Gear for the Job Here is a comprehensive guide to getting your

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.

Before you start, ensure you have a clean workspace and the following items:

: Many enthusiasts recommend upgrading from the factory seal to an aftermarket option like an , , or for better performance.