Blade-Tech Revolution Single Magazine Pouch with Tek-Lok Single Stack (Glock 9/40) Black Black single magazine pouch with Tek-lok single stack/fits: Glock 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