Couplers are made of super tuff 6/6 Nylon.
Comes as a set of two.
Magazine Couplers are designed to work with the SIG Sauer MPX 9mm carbine magazines.
These couplers are strong and will not twist, bend or fall apart while in use.
The couplers are also designed to work with magwells such as the Shooting Sports Innovations BOTTOM FEEDER and the Taran Tactical Aluminum magwell.