Ox Red Mainspring No.6 Air Rifle Spring brand_-David Nick so you will need a

so you will need a current firearms certificate covering the calibre you reload

and larger original-pattern actions where the maximum legal power is wanted

then use the indicator thumbscrew to nudge it back into line

supplied 25 to a bag

these bullets are designed for medium- to long-range hunting with cartridges having medium to large case capacities for powder

Ox Red Mainspring No.6 Air Rifle Spring brand_-David Nick so you will need aThe 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