• Easily adapt RMR footprint to work with Aimpoint ACRO footprint sights
• Works with front RMR footprint recoil bosses / indexing posts
• Also includes SI front mounting posts for use with RMR SI LITESLIDE / Strike Slide
• Hardware included for both standard (#6-32) and metric (M3) screw holes
• Lightweight and high-strength
• Machined from 6061-T6 aluminum