This Titan Top Hat (Part No. TTHAIRSPORTER) is designed for use with Titan XS main springs in BSA Airsporter and BSA Mercury air rifles.

The Top Hat fits inside the front of the piston at the top of the mainspring and is manufactured from Acetal (Polyoxymethylene) – an engineering thermoplastic known for its high stiffness, low friction and excellent dimensional stability.

By preventing metal-to-metal contact between the end of the spring and the piston, the Titan Top Hat helps to:

This is a popular upgrade when carrying out a full service or tune on classic BSA spring-powered air rifles.

Please note:


Compatible Rifles


Important Warning

Fitting Titan tuning products may take your rifle over the legal power limit.
It is the buyer’s responsibility to ensure the rifle remains within UK legal limits.
If you are unsure about fitting this item, please consult a qualified gunsmith.


Recommended Upgrades (available in our other items)


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