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The BSA Fill Probe has a straight design that fits BSA R10, BSA Ultra SE and BSA Scorpion SE Air Rifles. It features a standard 1/8" BSP male thread for direct fitting to a flexible fill line. Alternatively, it can be fitted a to Quick Coupler Plug.
The BSA Fill Probe is made from Brass to combat erosion and comes with 2 spare 'O' Rings and a sachet of silicone grease.