New Weapon accessories Mounting on weaver (picatinny) rail 34mm TEW34M Two-piece duralumin mounting is designed for riflescopes with objective, usually up to 60 mm. The attachment is by means of a screw on each part. This mount is suitable for mounting a riflescope or any other device with a 34mm tube. The mounting is designed for weaver (picatinny) rail. View