Features:

• 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
• Outside to outside of rings is 3.92 inches, rings are 0.63 inches wide, 4-hole to hole spacing dimensions are 0.86, 0.79, 0.86 inches
• Base screws are #8-40 x 1/4 inches long and ring screws are #6-40 x 5/8 inches long, base screws use a 9/64 inches allen wrench and ring screws use a 7/64 inches allen wrench
• Made in the USA