Reference: M4 Double Mag Pouch

Brand: Specialty Defense Systems

US Military Molle II Double Mag Ammo Pouch

Reference: macsack

Brand: SealLine

USMC Military SealLine MAC SACK Waterproof Dry Bag

Reference: 3mZipperPull

Brand: Hank's Surplus

Hank's Surplus Heavy Duty Universal Replacement Zipper Pull Cord Tab Repair Fix for Luggage Backpacks Jackets

2 Military ACU Male Quick Release Buckle Molle Assault Backpack Pack Straps