Federal Premium, 300 Winchester Magnum, 180 Grain, Barnes TSX, 20 Round Box P300WP
Specifications:

Caliber	300 Win Mag
Bullet Type	Barnes Triple-Shock X Bullet (TSX)
Bullet Weight	180 GR
Muzzle Energy	3502 ft lbs
Muzzle Velocity	2960 fps
Rounds Per Box	20
Boxes Per Case	10
Application	Big Game
Casing Material	Brass