HomeGround SupportAviation BombsBETAB-500 CONCRETE-PIERCING AIR BOMBBETAB-500 CONCRETE-PIERCING AIR BOMB Categories: Aviation Bombs, Ground Support Product ID: 52491 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 Multi Rockets Launcher Add to WishlistRemove from Wishlist Add to Wishlist SELF-PROPELLED HOWITZERS Add to WishlistRemove from Wishlist Add to Wishlist 9 mm. Pistols