AR10/AR9MM CARBINE BUFFER SPRING (AR-9 WITH FOSTECH ECHO 2)
$29.49
$43.65
Description THIS IS THE ONLY SPRING YOU CAN USE WHEN UTILIZING THE FOSTECH ECHO 2 IN A 9MM PLATFORM, COUPLED WITH AN H2 BUFFER. IF YOU’RE USING THIS SPRING WITH A 9MM AND FOSTECH ECHO 2 TRIGGER, YOU’LL ALSO NEED THIS BUFFER THIS SPRING WILL WORK AS A CARBINE BUFFER SPRING FOR AR10 PLATFORMS.
