Black. Attaches with hook side velcro to loop velcro sewn in various Maxpedition packs. 2″ retention strap can be adjusted for a snug fit to your weapon. Works best with the following Maxpedition products: MX211 NeatFreak Organizer, MX403 FatBoy Versipack, MX408 FatBoy S-Type Versipack, MX409 Typhoon GearSlinger, MX410 Monsoon GearSlinger, MX412 Jumbo Versipack, MX413 Jumbo S-type Versipack, MX512 Condor-II Backpack, MX513 Falcon-II Backpack, MX514 Vulture-II Backpack, MX601 MPB (Multi-Purpose Bag), MX604 LastResort Tactical Attache, and MX605 Operator Tactical Attache. lon thread (stronger than ordinary industry standard nylon thread). #AS-100 high grade closed-cell foam padding material for superior shock protection. High tensile strength nylon webbing. #10 high strength zippers and zipper tracks. UTX-Duraflex nylon buckles for low sound closures.