Fill Valve Upgrade For Air Arms Old Style Valves - Hydrodynamic design

- Hydrodynamic design

The Manuals Are Also “User Friendly” For Sidemount Divers

Low drag reduces the effort needed to move through the water

The DRAK interface for Nemo Wide and Puck computers is an ultra-compact USB interface

continuing to set the surface interval each time

Fill Valve Upgrade For Air Arms Old Style Valves - Hydrodynamic designAir 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