Great ammo. No issues with 500 rounds.
Winchester Defender Ammunition - 10 MM Auto - 180 Grain Bonded Jacketed Hollow Point - 20 Rounds - Nickel Plated Brass Case
Engineered to maximize terminal ballistics as defined by FBI test protocol, Defender ammunition provides maximum stopping power for the ultimate in personal defense. Our innovative bonding process welds the jacket to lead core for improved penetration, 1.5x expansion, and the proven performance you rely on when the stakes are high.