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:
AR 10 MAGPUL®  PMAG® LR/SR GEN M3™
.308 / 7.62x51mm

US Patent No. 10126076