Doubletap Ammunition Target 9mm Luger 62 grain Full Metal Jacket Boat Tail 50 Rounds Rifle Ammo. This Doubletap Ammunition Ammunition features Full Metal Jacket Boat Tail (FMJBT) bullets that deliver powerful stopping power flawless precision and predictability. With premium brass cases loaded with full metal jacket boat tail (fmjbt) bullets you ll deliver best results for target plinking. With daily deals on Ammunition and other high-quality rifle ammo from trusted brands like Doubletap Ammunition you re sure to find the best round for your field or range use. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Doubletap Ammunition Target 9mm Luger 62 grain Full Metal Jacket Boat Tail Rifle Ammunition: Manufacturer: Doubletap Ammunition Caliber: 9mm Luger Number of Rounds: 50 Bullet Type: Full Metal Jacket Boat Tail (FMJBT) Bullet Weight: 62 grain Cartridge Case Material: Brass Application: Plinking Target Package Contents: Doubletap Ammunition Target 9mm Luger 62 grain Full Metal Jacket Boat Tail Rifle Ammunition What is Doubletap Ammunition Target 9mm Luger 62 grain Full Metal Jacket Boat Tail Rifle Ammunition good for? The manufacturer says that it is good for target plinking.