I finally found a company that makes an aftermarket handle for the 716. I have run a BCM & a Ranier Arms Raptor on other AR10's but as many of you know, the front does not drop down far enough to catch the BCG and it stays hard locked. I hadn't had any luck finding something after market (other...

One of my first searches on this site, was for "Rainier" and I didn't find anything. I have seen little info on this online, maybe a few blogs or M400 builds on other forums. Manuf website states: "May not fit on some SIG AR’s, specifically the 516 Model" Well here it is on the M400. Sorry...