Always ready for quick transport Tactical Mag Cans offer a protected method of storage for loaded magazines. Each mag is individually secured with ridged precut foam padding to prevent bumping sliding and scratching. Each box shuts tight with an O-ring seal and solid latching system. Dual latches give better sealing and prevent accidental openings. Security tabbed for three padlocks. Molded-in stacking ridges for slip resistant stacking. Comfortable handle for when you're bugging out. Tactical gun owners can rest assured knowing their cache is protected inside MTM Mag Cans.Designed to hold 10 (20 or 30 round) 223/5.56 AR15 magazines and 10 double stack handgun magazines.The AR slots were designed for the Magpul PMAG 30 AR/M4 magazines without dust covers. Dust covers are not needed in a O-ring sealed can.Will hold only 4 Magpul PMAG 30 AR/M4 with Ranger Plates & dust covers on. They don't fit under the handle indentation on the lid when closed.Not designed for 308 AR's. Magazines not included.Inspired by law enforcement suggestions. Designed to hold 10 AR magazines and 10 double stack handgun mags in precut foam padding Stackable design and triple padlock tabbed for security Water-resistant O-ring seal for dry storage; Non-submersible Capacity: 20 Dual latches for better sealing and prevents accidental openings; Made in USA