ZERO9 HOLSTERS Model 4027 Double Magazine Case for Glock 9mm/.40

Built by cops for cops, the ZERO9 HOLSTERS Model 4027 is a slimline, ruggedized double pistol mag case for Glock double-stack 9mm and .40 magazines. Its hard-shell Kydex construction is durable and easy to clean, and the adjustable retention screw supports fast draws with a secure hold. Designed for a traditional carry orientation with bullets facing your centerline, the ambidextrous case features a contoured form factor and a hole pattern for multiple mounting angles. Mounting options include Tek-Lok for belt use and Molle for vests and modular gear. Compatible Glock models include G26, G27, G19, G23, G17, G22, G45, and G34. Does not fit non-Glock magazines. Made in the USA and mission-ready for duty, range, or everyday carry.

• BUILT BY COPS, FOR COPS: Founded by two full-time police officers in Cleveland, Ohio, Zero9 Holsters has been designing rugged, mission-ready duty gear since 2010—trusted by public safety professionals nationwide.
• READY WHEN YOU ARE: Features a retention screw for personalized control—fast, smooth draws when seconds matter, and a firm hold when you're on the move.
• DURABLE & EASY TO CLEAN: Engineered from rugged Kydex, this case won’t shift or break like stock leather or bikini-style holders. Its hard-shell design wipes clean easily, making it a dependable choice for first responders.
• MULTIPLE MOUNTING OPTIONS: Choose your preferred setup—tek lok for belt mounting or molle lok for vests and modular gear. Versatile and mission-ready for any duty loadout.
• PERFECT FIT: Fits Glock 9mm and .40cal magazines. Contoured form factor allows for a good grip and the hole pattern allows for mounting at multiple angles.