Looks like I missed something in the middle here but back to the original question. I'm building a SHTF AR this week just to have around. I'm using an Aero precision upper and lower,an SAS nickle boron bcg,a black hole weaponry slim 8' twist 3 groove 16" barrel, ergo grip, mag pul ctr stock, and a 12" Midwest industries SSK keymod forend.

I'm also running a RRA two stage match trigger until I spring for a good single stage. I'm hoping for lightweight that'll still shoot MOA. I should know if it works next week.

Bb