Keep your FX Boss sealing tight and running reliably with this genuine FX service kit. It contains the common O-rings and seals that see the most wear over time, giving you what you need to restore lost power, cure a slow leak, or give the rifle a general once-over.

FX designs these kits around the parts that actually need replacing most — no filler, no hard-to-source components you'll never touch. A smart pickup for routine maintenance, or to keep in the safe for when your Boss needs attention down the road.

Includes: common wear O-rings and seals for the FX Boss

Fits: FX Boss

Recommended for: routine maintenance, general revision, or resealing a leak-prone rifle