DNZ Products Game Reaper Tikka T3 Med. Silver Ring/Mount Mount fits T3 and T3X, left and right hand firearms. Base screws are 6-48 X 1/4? long. Ring screws are 6-40 X 5/8? long. Both screws use a 7/64? Allen wrench. All T3 actions are the same length. Outside to outside of rings is 4.08?. Standard rings have 2 screws per ring and rings are .63? wide. Tactical rings have 4 screws per ring and are .80? wide. Hole to hole spacing dimensions are .86?, 3.25?, .86?. Height: Medium 1.06" Specifications: - Precision machined from a solid block of top-grade billet aluminum - Custom made to fit each type of firearm and align perfectly with your rifle’s receiver - No moving parts between the firearm and the scope - 67% lighter than comparable one-piece mounts with four times the threads and precision socket-head cap screws for absolute strength and security - Absorbs shock and withstands temperature extremes better than steel mounts at a fraction of the weight - Made in the USA Manufacturer: DNZ Products MFG Number: 30550S UPC: 879956001870