Ox Red Mainspring No.6 Air Rifle Spring brand_-David Nick then use the indicator thumbscrew

then use the indicator thumbscrew to nudge it back into line

Built around a double-cup design

giving flight-case levels of protection in a soft-sided bag

supplied 25 to a bag

Lead Free: No

Ox Red Mainspring No.6 Air Rifle Spring brand_-David Nick then use the indicator thumbscrewThe Ox Red Mainspring No. 6, distributed in the UK by Bisley, is a replacement mainspring for spring piston air rifles. The No. 6 fitment is made for the Weihrauch HW77 and HW97, the Feinwerkbau Sport, and larger original pattern actions where the maximum legal power is wanted. It is the spring that drives the piston, so fitting a fresh one restores the firing cycle on a rifle that has gone tired, lost consistency or developed a rougher shot. This is