BEST Fittings Quick Coupler Plug – Full Cover Cap, Black Delrin

Full Cover Cap – Black Delrin.

Fits over the BEST Fittings Quick Coupler Plug and bonded seal washer.

Covers the complete Quick Coupler Plug for a tidy look when used as a permanent fitment on the gun such as Early Falcons, Titan, and other guns with 1/8″ BSP male threads where the fill valve is situated within the gun and the thread has been fitted with one of our Quick Coupler Plugs.