HomeGround SupportThermal Vision DevicesThermal Vision AttachmentThermal Vision Attachment Categories: Ground Support, Thermal Vision Devices Product ID: 52543 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 Hoitzer 105 , 155 mm. Add to WishlistRemove from Wishlist Add to Wishlist ARMORED PERSONNELCARRIERS AND INFANTRY FIGHTING VEHICLES Add to WishlistRemove from Wishlist Add to Wishlist 9×19 mm. Nato Submachine Guns