New Weapon accessories Mounting two-piece 25.4mm (1") on weaver (picatinny) - LOW TEW25L The two-piece LOW duralumin mount is designed for riflescopes with a smaller objective lens, usually up to 40 mm. Mounting is by screws on each part. This mount is suitable for mounting a rifle scope or any other device with a 25.4 mm (1") tube. The mounting is designed for weaver (picatinny) rail. View