Air Arms Fill Valve Upgrade for Old style Large Snap Coupler Valves.
Suits Air Arms S300/310, S400/410, Air Arms Pro Target, EV2 FT Mk1 and MPR. NOT suitable for the S200.
Fill nipple the same style as used on current Daystate guns, and compatible with Foster 12FS, 12FSS and 12MS Straight Thru Quick Snap Couplers.
Includes all the parts required to upgrade your Air Arms S300/310, S400/410, Air Arms Pro Target and MPR with the old large snap coupler to our neat and slimline filling solution.
Best Fittings Spec Valve body, including new internal parts.
1 x New Air Arms Reservoir Plug
1 x New Air Arms Reservoir Cap
1 x BEST Fittings Spec Fill Valve Body
1 x Air Arms Fill Valve Internal Piston
1 x Set Spring & ‘O’ Rings
1 x BEST Fittings Quick Coupler Socket Fill Line Coupling