OX Mainsprings for Airrifles and Pistols Check Your Spring Size::No7 - ASI Sniper, Magnum (and all other ASI models) Diana 79 and Gamo - Completely sealable while still

- Completely sealable while still offering easy access

12mm High Density Padding

- 3/8" models feature double side screws

- Length: 322mm / 12

OX Mainsprings for Airrifles and Pistols Check Your Spring Size::No7 - ASI Sniper, Magnum (and all other ASI models) Diana 79 and Gamo - Completely sealable while stillDescription 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