Nikon M-223 Mount and Scope Ring NK743 is perfect for your AR rifle. Developed specifically for Nikon's M-223 series of scopes, this special mount fits Picatinny rails found atop most flattop ARs, as well as Weaver-style bases. Lightweight alloy construction with built-in 20-MOA incline to maximize elevation for extreme long range shooting.
• Fits all Nikon M-223 scopes
• Lightweigh Alloy construction
• Fits any Warne, Weaver, or Picatinny style mount base