Brand new in box and sealed in plastic.
$1000
It's this guy, which is out of stock:
https://geissele.com/super-duty-complete-upper-16-5-56mm-black-1.html
According to mpa website the chassis is 5.2 lbs. I was also using the front fore-end weight which they've got at 0.8 lbs. Putting it at 6 lbs, which is what my bathroom scale says.
That setup balanced well with a 20" CTR and suppressor.
The rear fore-end weight is included but not installed as...