Fostech Echo Sport Lower

Fostech Echo Sport Lower. I was using an aero m5 upper&lower with a faxon bcg. The echo trigger is a ground breaking drop in design that is approved by the atf.

2 hours 23 min ago by skully1. The pictures on the website with the echo sport trigger installed inside the lower shows the paddle for selecting echo vs. A firearm that is digitrigger enabled becomes a hybrid, with two distinct fire control groups.

From an operational standpoint, the only difference the operator will notice is that the selector for the echo operation is located inside the trigger well on a paddle.

Is a family owned, christian, organization based in southern indiana. The price is for the echo sport trigger only*** ***as with all fostech products all sales are. You made me go back and look and i bought that fde complete upper and lower deal for $313 shipped. You will need a full auto bolt carrier in your firearm for the e