I posted in the
80% Lowers Summary thread back in August 2019 about the 80% lower that I ordered from Gorilla Machining. I'll repost some of the info and photos here, but the bottom line is that I wouldn't recommend them because of the strange machining they did on the lower. I ordered a
Anchor Harvey 80% Lower Receiver from Gorilla Machining, if the raw lower is what you're looking at. It’s described on their website as a “Anchor Harvey Raw 80 Percent Lower with Optional Safety Engraving,” which I took to mean that you had the option of selecting whether you wanted safety selector markings engraved on the lower, like Right to Bear and other places offer. I couldn’t see any place to select the markings, but I figured you were supposed to write them in the order comments or something. Since I didn’t want any markings, I just ignored that, which maybe I should have looked into more closely, but “Optional” was the word that stood out to me. Sure enough, the lower showed up with “SAFE” and “FIRE” engraved on it, which was not what I wanted, since I was planning to have it custom engraved. The show stopper, in my opinion, is the groove milled in the left side of the receiver extension “collar.” Based on the follow-on discussion in the 80% thread, it looks like it was put there to allow clearance for a long punch to insert the bolt catch roll pin, although that still seems really strange to me:
Attached File Attached FileThe product image on their page is apparently just another generic photo, since it doesn’t show the selector markings or the groove cut in the side. I returned the lower for a refund because they said that all of their lowers were like that. They may have changed things in the last 9 months, but I wouldn't order from them again based on the generic photo that they're still using in their product listing.