Hw90 Reseal 【Genuine × Breakdown】

Restoring the Punch: A Step-by-Step Guide to Resealing Your Weihrauch HW90 Weihrauch HW90

: Many enthusiasts recommend upgrading from the factory seal to an aftermarket option like an , , or for better performance. HW90 Reseal

: Use Krytox or high-quality Moly grease . Avoid synthetic engine oils that can cause O-rings to swell. Specialty Tools : You will need a Gas Ram Charging Pump (like the Restoring the Punch: A Step-by-Step Guide to Resealing