Magnus Bullets .45 ACP .451in 230 gr FMJ 500/ct. This mix gives you a lead bullet hard enough to be fired at 1200 FPS with little or no leading problems in most handguns but will not shatter upon impact with steel targets. Specifications for Magnus Bullets .45 ACP .451in 230 gr FMJ: Manufacturer: Magnus Bullet Type: Full Metal Jacket (FMJ) Projectile Caliber: .451 Caliber Bullet Quantity: 500 Bullet Package Contents: Magnus Bullets .45 ACP .451in 230 gr FMJ Magnus J-123-500: Bullets .45 ACP .451in 230 gr FMJ 500/ct