G-Code Scorpion is a modular magazine pouch system. Inside is lined with Tactical FUZZ for smoother drawing. They are compatible with all G-Code mounting system. Users can stack different magazines to fit their needs.
Available for 5.56, 7.62, single and double stack magazines
http://www.tacticalholsters.com/category/Scorpion.html
Price ranges from $22.25 to $28
From: G-Code