This is a BLACKHAWK Magazine Pouch known as the CQC, model 410510PBK.
With twice the capacity of their Single Mag Cases" the Double Mag Cases have a built-in tension spring that securely holds magazines of various sizes. An adjustable belt-clip hook accommodates belts of different widths.
Features:
Matte Black
Single stack double magazine case
Built-in tension spring securely holds magazines of various sizes
Includes belt loops and belt clip
Fits 9mm/.40 cal/.45 cal/10mm/.357 Sig
