Use with the AR15 family of firearms with the Picatinny rail, MIL-STD-1913 rail, or STANAG 2324 rail often found on AR15 and weapons. A heavy duty offset ring mount to install magnified optics scope for easier eye relief setup. Very helpful when mounting a scope with longer eyepiece tube, especially ones with illuminated reticles. Ring Size: 30mm (1 inch metal size inserts included)

• Machined from aircraft grade aluminum alloy
• Offset design for better eye relief position
• Fits both 30mm and 1inch main tube scopes (1 inch metal size inserts included)
• Includes extra ring top with accessory Picatinny mount rail