Doubletap Ammunition Double Tap Bonded Defense Handgun Ammunition 9mm+P 147gr JHP 1135 fps 20/ct 15E27095 DT. They are a great option for personal defense when deep penetration is needed. Velocity: 1135fps 4.5" bbl Caliber : 9mm+P Bullet :147gr Bonded Defense JHP Specifications for Doubletap Ammunition Double Tap Bonded Defense Handgun Ammunition 9mm+P 147gr JHP 1135 fps 20/ct 15E27095: Manufacturer: Doubletap Ammunition Caliber: 9mm Luger Features of Doubletap Ammunition Double Tap Bonded Defense Handgun Ammunition 9mm+P 147gr JHP 1135 fps 20/ct: Velocity: 1135fps 4.5" bblcaliber : 9mm+pbullet :147gr bonded defense jhp Package Contents: Doubletap Ammunition Double Tap Bonded Defense Handgun Ammunition 9mm+P 147gr JHP 1135 fps 20/ct These loads are low flash. They are a great option for personal defense when deep penetration is needed. Velocity: 1135fps 4.5" bbl Caliber : 9mm+P Bullet :147gr Bonded Defense JHP DT9MM147BDHP20