So here's the quick review from the range today. Ammo was low, but it was a nice day.
I'm just back into ARs, last one I had any amount of experience with was a C&R Tool room M16(yes, I REALLY wish I owned it).
Purchased a BG Defense - 10.5 GEN3 SPR A3 PISTOL (SB A3 BRACE). https://bgdefense.com/product/type-a-sipr-10-5-gen3-pistol-sb-tactical-a3-brace/ It's semi locally produced so I went for it over the usual Saint/Ruger etc. The BG was around 30% more.
Fit and finish are quite good, no complaints. Accuracy was better than me 25 and 50 yards(all I had time/ammo for today) with a Vortex Spitfire AR Red Dot. My eyes aren't used to a red dot with no magnification. Will make a good quick shooting sight, but precision on paper... meh.
The brace has about the perfect length for bracing for accuracy and is fairly comfortable.
The trigger pull is pretty good. Not CZ bolt action good, but pretty good.
No failures in 60 rounds.
The bad, The Silencerco ASR Brake is obnoxious. Blast back was pretty bad and it's freaking loud. Louder than my 300wsm in the same shooting position by an order of magnitude. Almost painful with muffs on. The 7.5" barreled M16 I used to have access to was way more friendly to shoot.
The middle, what is the deal with strait triggers? It seems to be the latest fad. I don't get it, it's just not a good feeling and bad for trigger pull consistency. I will eventually change it out for a curved trigger.
All in all not a bad pistol. Next AR will probably be a 20" pistol.