Standard 10-round factory magazine for your Glock 9mm pistol, ambidextrous friendly Generation 5 model (backwards compatible with all previous models). Compatible with many pistol caliber carbinessuch as the Ruger PC 9mm Carbine & the PWS PCC 9mm Carbine Designed for full-sized frame Glock 9mm pistols such as the Glock 17 and Glock 34