Blade-Tech Revolution Single Magazine Pouch with Tek-Lok Double Stack 9/40 Black Black single magazine pouch with Tek-lok double stack/fits: 9/40 Ambidextrous Constructed from a blend of tough polymers Dual tension adjustment screws Perfect for Concealed carry High quality molded pouch at an affordable price; Streamlined to aid in concealment Robust polymer plastic material; High impact & abrasion resistant High heat deflection Adjustable tension screws Internal tapered tensioning ribs; Designed for easy mag removal