The Shadow Systems Cr920 9mm 13rd Magazine is the perfect choice for anyone looking to add additional magazines to their safe. This magazine is built with precision and reliability in mind, providing you with the highest quality performance and reliability. Shadow Systems has been developing high-quality merchandise for a number of years, and the Shadow Systems Shadow Sysems Cr920 Mag 9mm 13 Rd is their particular means of showing you how much they care.