A FAB Defense lets you double up on your ready magazine with this polymer coupler. Have a second magazine ready for a quick reload when time matters. No grabbing for a new magazine just drop the empty and load the full magazine to stay in the battle.

Specifications and Features:
FAB Defense Polymer Magazine Coupler TZ-2
Facilitates swift magazine change
Durable and Light Weight fiberglass reinforced polymer construction
Quick and Easy installation
Improves operational efficiency and performance
Black

Fits:
M16/M4/AR15
AK-47
Galil
H&K 33,53
Ruger Mini M14
SIG Sauer 542,543