.45 caliber ammo is crafted to meet the demands of self-defense and precision shooting alike. Browse through our premium inventory, where reliability and potency converge in every round. Trust in the legacy of the .45 caliber and elevate your shooting experience; shop our .45 ammunition now and command respect on the range with every trigger pull. Target Sports USA sells popular brands like Prvi Partizan, Federal, Remington, Winchester, Sellier & Bellot, and more for .45 caliber. caliber and bulk ammo. Best ammo. Best selection. Stock up now! Free shipping on bulk ammo available!