Best Fittings Air Arms S400/410/ Fill Valve Upgrade

Best Fittings

£54.50 

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Air Arms S400/410/ Fill Valve Upgrade

Air Arms S300/310, S400/410/, Air Arms Pro Target and Air Arms MPR Fill Valve Upgrade Kit.

Upgrade to the latest version of Air Arms filling system.

Parts included:

Replacement fill valve body with O rings

New style fill valve

New style fill adaptor

New style end cap.

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