Ox Red Mainspring No.4 Air Rifle Spring (HW35) LS_DPD it gives the work a

it gives the work a proper finished home

At around 205 grams it adds little weight

all-steel construction for a solid

The Protector 1 is Napier's entry-level rifle slip in a well-established range

Ox Red Mainspring No.4 Air Rifle Spring (HW35) LS_DPD it gives the work aThis 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