ENF 0141 Fits .303 No. 4, Mk1, Mk2, & Mk5.
This extremely stable mount will hold zero. It is made from T-6 aluminum and has a black anodized finish. Designed for your hunting rifle, it uses weaver-type rings and only requires included set screws and cap screws (no gunsmithing) to install. Unconditional Lifetime Warranty. Manufactured by Advanced Technology, Inc in the USA.