-Super slim 1.5 inch outside diameter and incredibly lightweight
-I.D. 1.300 inches
-Modular design, includeds three additional 2.5 inch rail sections - one rail section includes an anit-rotation QD socket - the 3 modular rail sections add 2.5 ounces.
-High quality MIL-STD 1913 top rail, T-marked for accessory location
-Constructed from 6061 aluminum, hard coat anodized for a lifetime of service
-All parts are fully dehonred for a non-abrasive, comforable feel
-Bipod stud and barrel nut wrench included
-Some minor gunsmithing required
-100% made in the U.S.A.