Description

Specification:

Part Type :Power Upgrade/Tuning Kit

Manufacturer :FX Airguns

Part Number,”20603 (Often called the “”Slug Power Kit””)”

Compatibility :”FX Impact Air Rifles (All variants, e.g., MKI, MKII, M3)”

Key Component :Tungsten Hammer Weight (Increases mass and impact force)

Other Components :Lighter Valve Return Spring (Allows valve to stay open longer) and usually an Adjustable Pin Probe for slug seating.

Function :”Maximizes Muzzle Energy (Power), specifically designed for shooting heavier Slugs and high regulated pressures.”

Performance Gain :Typically delivers a gain of 30 to 80 FPS depending on caliber and tune.