The Pentagon Magazine Coupler Kit provides a unique external coupling option for the 10 Rounds Ultimag AR magazines and is provided with five Ultimag 10R 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 OMC Magazine Coupler 2x Ultimag 10R Magazine
