Bisley Titan XS Mainspring No.1 Air Rifle Spring brand_-HSF Supplied in boxes of 20

Supplied in boxes of 20 brass-cased rounds

breathable membrane keeps feet dry in wet ground and showers without the boot feeling clammy over a long walk

a chest pocket with zip and flap

Head Included No

Bisley Titan XS Mainspring No.1 Air Rifle Spring brand_-HSF Supplied in boxes of 20The 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