OX Mainsprings for Airrifles and Pistols Airgun & Airrifle Spares When the object is moved

When the object is moved or someone walks though the wire BOOOOM: scaring any would be thief of trespasser

They are Simple to use

They have been designed to be quick and steady to use

Specification

in fact anywhere

OX Mainsprings for Airrifles and Pistols Airgun & Airrifle Spares When the object is movedDescription The World's NO. 1 square spring. The perfect replacement or upgrade for standard mainsprings. Warning replacing your air rifles mainspring may increase its power making it illegal. Redbeck Shooting Supplies would recommend that you seek manufacturers advice or a professional gunsmith before attempting to alter your rifle, and that you always check your rifles power using an accurate chronograph to ensure you stay within the law. NO1 FITS