Ox Red Mainspring No.4 Air Rifle Spring (HW35) LS_DPD all-steel construction for a solid

all-steel construction for a solid

At around 205 grams it adds little weight

a 500-target case keeps you well stocked without reordering

rechambering or servicing Mauser actions and other flat-bottomed receiver designs

Ox Red Mainspring No.4 Air Rifle Spring (HW35) LS_DPD all-steel construction for a solidThis is the Ox Red Mainspring No. 4, a replacement spring piston mainspring distributed in the UK by Bisley. Ox springs are cold coiled from Swedish square section spring steel and are widely regarded as one of the strongest replacement mainsprings on the market, making them a sound choice when a tired factory spring has cost your air rifle its zip and consistency. The No. 4 is the fitment code for the Weihrauch HW35 and the Diana Original RWS 52 and