After hunting all day in the rain, and not finding any shootable deer yesterday, I decided to go home and put my lower together. I laid out all the parts and got ready to assemble. Tried to put in the magazine catch, it would not fit. So I decided to try one out of a different rifle, no go, the lower was too tight. So I went to the garage a shaved a little off the edge of the magazine catch with my grinder. Not a huge deal, but I am already kind of uneasy with this lower due to receiving it without the ejector assembled. I had taken my time on the grinder and was very careful not to butcher the magazine catch. I head back into the house and try the magazine catch in the lower again. It fits now and I am feeling like it may all work out.
So I proceed to assemble the rest of the parts from the LPK. Everything works fine until I get to the pistol grip screw hole. I am getting about 1/8th inch of grab and then the screw just stops. Being mindful that it could be an out of spec grip screw I try another, then another, no luck. So I decide that I need to make sure the hole was drilled deep enough and that there are no burrs on the threads. Both of these possible problems were quickly ruled out. So I take the grip screw out to the garage on take the grinder to it. I worked slow and evenly shaved down the threads a little. I went back in the house and started working the screw into and out of the out of spec hole. It took some time and I ended up having some aluminum shavings but I got the pistol grip attached. The grip has a slight gap at the front, just enough to slide a piece of printer paper through. But the grip is as tight as I can get it.
By this point, having to grind on 2 different in spec parts to fit my out of spec lower, I am fairly pissed. I perform a function test though and everything checks out. So I pin on the suppressed 9mm upper that was the sole purpose for buying the lower in the first place. I head out behind the house to test it and everything worked as it should, no issues, functioned flawlessly. But in good conscience I cannot recommend that anyone purchase one of these lowers. I realize that I could have, and possibly should have, contacted DDLES about the issues. But they still have not been in touch from when I contacted them weeks ago by phone and email. I made it all work, but this entire situation has soured my on the DDLES name. I will never buy another lower from them. The only product I could ever see myself buying from them again is an ejector should mine fail in the future.
Buy something else unless you have the time, tools and knowledge to fix this jigsaw puzzle of a lower.