EXTENDED Quick Coupler Socket 1/8th BSP by BEST Fittings

The BEST Fittings EXTENDED Quick Coupler Socket is the ultimate solution for connecting deeply recessed Foster-type fill nipples on airguns and paintball equipment. With a 30mm release collar, it’s three times longer than standard couplers, eliminating the need for an additional coupler release tool on hard-to-reach stocks. Perfectly compatible with FX, Daystate, Brocock, Theoben, BSA Superten, and modified air tubes, this socket suits most deep recess stocks. Available with both UK 1/8" BSP and US 1/8" NPT male threads, it supports a max working pressure of 340BAR/5000psi, ensuring reliable, safe fills every time.