Machined Aluminum mount allows you to mount the Sniper Tool Designs Angle Co-Sine Indicator (ACI) directly to your MIL STD 1913 mount. Attaches with 2 soft point set screws so it will not mar your mount. Also fits M16/AR-15 flat top rifles. Mil Spec Anodized Hard Coat Type III, Black. Mounts the ACI Above the rail.
AR-15, Issue:04, Page:063
Big Book Catalog, Issue:69, Page:369
SPECS: Aircraft-grade aluminum, anodized, black. Mount - 1.37" (3.5cm) wide, 1" high.