Magnus Cowboy Bullets .45 cal .452in 200 gr RNFP 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 Cowboy Bullets .45 cal .452in 200 gr RNFP: Manufacturer: Magnus Bullet Type: Round Nose (RN) Projectile Caliber: .452 Caliber Bullet Quantity: 500 Bullet Package Contents: Magnus Cowboy Bullets .45 cal .452in 200 gr RNFP Magnus 809: Cowboy Bullets .45 cal .452in 200 gr RNFP 500/ct