FEATURES:Length: 6.75"Width: 1.8"Internal diameter: 1.625"M-Lok slots at the 45 degree position16 full M-Lok compatible slots and 7 half slots Constructed of 6061 aluminum hard coat anodized 2 anti rotation QD sling swivel socket 1 five slot M-Lok compatible rail sectionWeight: 10.9 ozMade in USA