MAG|Coupler™ Magazine Couplers enable firearms enthusiasts now have an effective way to safely and securely improve magazine handling. The patented product couples magazines by replacing their floorplates with a MAG|Coupler to facilitate more expedient and efficient magazine swaps without increasing the capacity of an individual magazine.  MAG|Couplers simply replace the floorplate / baseplate of your existing magazine allowing for the connection of two like magazines back to back.
 

Fits:
MAGPUL®  PMAG® AR/M4 GEN M3™

.223 / 5.56x45mm

US Patent No. 10126076