HSM .300 Win Mag 200 gr GameKing JSP 20rd

HSM loads the .300 Winchester Magnum with Sierra GameKing bullets intended for hunting applications where controlled expansion and long-range performance are required. This load pairs a 200 grain Sierra GameKing projectile with brass cases and factory velocities appropriate to the cartridge. Components are matched to the GameKing profile to support accuracy and terminal performance consistent with its design.