I got the assembly as promised. I found 2 things about this so-called "blemished" assembly.
One, is this is a premium receiver with the PSA logo. Wasn't expecting that. I love it.
Two, is I found the blem. It's a small nick under the anodized coating. It looks exactly like this mark " / " on left side of receiver.
I've seen worse than that mark on $1000 Weatherby rifles and they weren't on sale because of it. PSA has some high standards about what they call "blemished".
I haven't taken it out yet to see how well it shoots/functions as I've just gotten my Wife home from hospital from getting a new knee installed. So my time right now is taking care of her and her needs.
She's all together now on my Anderson Lower, and sports a new NiB BCG from AIM.
For the Optic, I installed one temporary from another PSA build I did to test out. It's a Bushnell AR223 1-4x24 w/BDC on a Millet cantilever mount.
Still haven't decided on what optics to choose, but I've been looking at Vortex, MEOPTA, Leupold, Weaver, Nikon and maybe another Bushnell AR223. It surprisingly has very good glass and is quite accurate and solid build.