HomeGround SupportThermal Vision DevicesThermal Sight IdentifierThermal Sight Identifier Categories: Ground Support, Thermal Vision Devices Product ID: 52542 DescriptionSpecifications Short Stroke Gas Piston Gas System (Rifle Length) 18.6″ Barrel Length ( Mid-Weight style, non-fluted) 1:8 Twist Rate Rifling Related products Add to WishlistRemove from Wishlist Add to Wishlist 120 mm Mortar Turret Add to WishlistRemove from Wishlist Add to Wishlist 45 Cal. Pistols Add to WishlistRemove from Wishlist Add to Wishlist 5.56×45 & 7.62×39 mm Assault Rifles