Winchester Ammunition Big Bore, 10MM, 200 Grain, Jacketed Soft Point, 20 Round Box X10MMBB
Specifications:

Caliber	10mm Auto
Bullet Type	Semi-Jacketed Hollow Point (SJHP)
Bullet Weight	200 gr
Muzzle Energy	613 ft lbs
Muzzle Velocity	1175 fps
Rounds Per Box	20
Boxes Per Case	10
Application
Casing Material	Brass