Palmetto State has a pretty good deal going on their basic bolt carrier group.
Nuttin fancy, just a basic BCG. Maybe not my first choice for your primary BCG but as a spare? That price plus free shipping is killer, I picked one up and it was all in $85 with sales tax. I didn’t really need another one but that was hard to pass up. You really need to have a few of these on hand as back-ups, who knows if the ATF is going to require this to be a serialized part soon that you have to get through an FFL?
As always I am not affiliated in any way with Palmetto State Armory and receive nothing for sharing this deal.