Remington 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammo 20 Rounds. Proven Core-Lokt hollow point projectiles are optimized for ultimate handgun hunting performance with true Deadly Mushroom expansion on big game. Specifications for Remington 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammunition: Manufacturer: Remington Caliber: 10mm Auto Number of Rounds: 20 Bullet Type: Core-Lokt Hollow Point (SP) Bullet Weight: 200 grain Cartridge Case Material: Nickel Muzzle Velocity: 1100 ft/s Muzzle Energy: 547 ft-lbs Application: General Package Type: Box Primer Style: Centerfire Lead Free: No Package Contents: Remington 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammunition Remington R20231: 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammo 20 Rounds