Other Details Manufacturer: Weatherby Manufacturer Part Number: M65PRC124HCB Boxes Per Case: 10 Bullet Type: Hammer Custom Caliber/Gauge: 6.5 PRC Grains: 124 gr Muzzle Energy: 2646 ft lbs Muzzle Velocity (fps): 3100 fps Units per Box: 20 Cost per Round: 3.32