FX Airguns MkI Fill Probe 1/8" BSP External with Particle Filter Seat
S83577
The FX MkI fill probe is the charging probe used to top up the air bottle on FX Airguns PCP rifles. It connects your fill hose or DIN adaptor directly to the rifle's air port, transferring high-pressure air from a dive cylinder or hand pump into the on-board reservoir. The probe carries a 1/8" BSP external thread, which mates with standard DIN adaptors and fill hose connectors common across the UK PCP market. A particle filter seat is built in, providing a port to seat a filter that helps block moisture, debris and contamination before they can enter the rifle's valve system — important for keeping internals clean and consistent shot-to-shot. If your existing MkI probe is worn, damaged or missing its filter seat, this is the genuine FX replacement part to restore reliable charging. Fits FX Airguns rifles that use the MkI fill port arrangement.
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