Got mine today. I must say, I am impressed. I spent a good while noting all the differences, and enhancements compared to my other lowers. I like it.
It would seem its greatest detraction is the finish. You are already dealing with the lowers angularity not matching most rounded uppers, but the colour is different as well.
The solution is simple; buy an NEA upper!
Personally, I am ok with the finish. While
Not as attractive as Matte black, it has a grippy tactile feel.
I like it.
I'll be keeping an eye on your success there helidrop. I may also order an NEA upper if you're fits and just replace the Stag one with that and swap out all the parts. I guess you can never have enough spare parts laying around to build another one...