15” length. 1.75”+ inner diameter for your tucked suppressor build. Discontinued aero gen 1 quad. Anti rotation pins. Has working QD swivel mounts in the front and rear of the handguard. Some minor wear on the barrel nut. Barrel nut uses a standard 3 pin or 2 pin armorers wrench. Includes all screws for securing handgaurd to barrel nut. Price is $325 shipped OBO.
