Engineered to be compatible with most center-fire semi-automatic pistol magazine designs, the Universal Mag Carrier from Pitbull Tactical is sized for convenient concealment either inside or outside a waistband. Able to accommodate virtually any single-column magazines at least 0.5" in width, a silicone flex band surrounding the carrier allows it to expand for use with double-stack magazines as well. Weighing just 1.6 ozs. when empty, the Universal Mag Carrier is intended for use with 1.5" belts. Price: $20. Contact: Pitbull Tactical; (866) 452-4708; pitbulltactical.com.