Safariland 775 Slim Open-Top Triple Mag Pouch Glock 20 10mm 4.6in. Glock 21 .45 Cal. STX Tactical OD Ambi Shroud Mount. The Safariland 775 Slim Open-Top Triple Mag Pouch is designed to accommodate magazines of various shapes and sizes making this holster a convenient choice for any shooting sports enthusiast. The Safariland 775 Slim Open-Top Triple magazine Pouch is a long lasting and reliable holster constructed using the best quality materials and design so you can depend on it for many years to come. Specifications for Safariland 775 Slim Open-Top Triple Mag Pouch: Manufacturer: Safariland Caliber: .45 ACP 10mm Auto Features of Safariland 775 Slim Open-Top Triple Mag Pouch: Slimline Open Top Triple Magazine Holster Long Lasting and Reliable Materials Superior Construction Package Contents: Safariland 775 Slim Open-Top Triple Mag Pouch Safariland 775-383-563: 775 Slim Open-Top Triple Mag Pouch Glock 20 10mm 4.6in. Glock 21 .45 Cal. STX Tactical OD Ambi Shroud Mount