Madbull Stainless Steel Refill Valves for Madbull Shells (3 Pack)

Madbull Steel Refill Valves (3pcs) Steel made GBB pistol refill valves High Quality Steel Construction Design for most Gas Airsoft and High pressure BB Shower shells Perfect replacement for worn out valves on all Madbull shells Suitable for some GBB pistol brands Package include 3 Piece NOTES: 1. Self-installation is required, consult your local gunsmith if needed