Bisley Titan XS Mainspring No.1 Air Rifle Spring brand_-HSF Adjustable sleeves and bottom hem

Adjustable sleeves and bottom hem

remove the scope

a chest pocket with zip and flap

The 42mm objective lenses deliver a 4

Supplied in boxes of 20 brass-cased rounds

Bisley Titan XS Mainspring No.1 Air Rifle Spring brand_-HSF Adjustable sleeves and bottom hemThe Bisley Titan XS Mainspring No. 1 is a replacement mainspring for spring piston (break barrel and underlever) air rifles, part of the long running Titan XS range of uprated UK made air rifle springs. The "No. 1" is the Titan application number that tells you which rifles the spring suits: it is listed to fit the BSA Airsporter, Mercury, Challenger, 635 Magnum, Superstar, Lightning, XL, Supersport, Goldstar and Centenary, along with the Air Arms