Underwood Ammo .45 ACP Xtreme Defender
This review details the performance of Underwood Ammo's 120-grain .45 ACP Xtreme Defender. Tested across multiple firearms and various barriers including auto glass, plywood, and drywall, the round consistently demonstrated impressive penetration and terminal ballistics. It maintained projectile integrity and effective wound channel creation, making it a viable option for self-defense.









