Heym 88B in .500 Nitro Express — among the most powerful standard-caliber double rifles. The .500 NE fires a 570-grain bullet at 2,150 fps for ~5,850 ft-lbs. Reserved for the heaviest dangerous game where penetration depth is critical. Frame reinforced beyond standard 88B spec. Type: Rifle Action: Break-Action Caliber: .500 Nitro Express Capacity: 2 Year introduced: 1985, Germany Weight: 112 oz Overall length: 46" Status: Active Intended use: safari, collection