HW35 Mainspring, High Power

• HW35 mainspring
• High-power version
• Same mainspring that originally came with the gun
• For professional installation only.

If you want to replace your HW35 mainspring with the low-power spring, search for item BNP-9003. It delivers 7.5 joules (5.53 ft-lbs.).

In stock

Item Code: BNP-9004 [PY-A-3789]