Starline Brass

The 9mm Steyr is a historic Austrian military pistol cartridge developed for the Steyr M1912 service pistol and later chambered in a number of Steyr MP34 submachine guns. Introduced in the early 20th century, it earned a reputation for reliability, accuracy, and dependable military...

The 9×39mm is a specialised Soviet rifle cartridge developed for suppressed, subsonic performance in military firearms. Originally designed for use in AK-based platforms, it fires heavy 9mm projectiles at subsonic velocities, providing excellent terminal performance while maintaining extremely low sound signatures when paired with...

The 10mm Auto is one of the most powerful and versatile semi-automatic handgun cartridges available today. Originally developed to provide law enforcement with increased power and improved terminal performance, it was briefly adopted before ultimately giving way to the shorter .40 S&W. Despite this,...