TOP GUIDELINES OF COLT 10.5 INCH 9MM SMG UPPER RECEIVER ASSEMBLY

We overview items independently. Any time you acquire by way of links on our internet site, we could receive a commission to help you assistance our testing. Learn more.It is actually a standard FSB and no I'd no challenges sighting it in. I at first developed it having a DPMS A2 upper receiver prior to receiving the 604 receiver. I'd no issues sig