Ultimag Pentagon Magazine Coupler

FAB-DEFENSE Ultimag Pentagon Magazine Coupler ONLY The Pentagon Magazine Coupler provides a unique external coupling option for the 10 Rounds Ultimag AR magazines. Advantages: Highly ergonomic design Durable high grade polymer construction Maintains 10 cartridges limitation External coupler - does not replace magazine floor plate Available in black, olive drab green or desert tan Compatibility: M16/M4/AR15 variants Included in the kit: 1x PMC Magazine Coupler