HomeGround SupportLand MinesAnti-helicopter mine 4ahm-100Anti-helicopter mine 4ahm-100 Categories: Ground Support, Land Mines Product ID: 52513 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 9×19 mm. Nato Submachine Guns Add to WishlistRemove from Wishlist Add to Wishlist REMOTE CONTROL COMBAT STATION Add to WishlistRemove from Wishlist Add to Wishlist Snipers 7.62×51