Spare upper I have. Haven't shot 300 blackout in years and just can't find a use for it. Less than 30 rounds down the barrel. I believe the barrel is ballistic advantage but I can't find marks to confirm it.
16 inch 1/8 barrel
Midwest industries forearm
Ambidextrous charging handle
No BCG
Forged upper
A2 flash hider
$400 shipped
Open to trades and offers
16 inch 1/8 barrel
Midwest industries forearm
Ambidextrous charging handle
No BCG
Forged upper
A2 flash hider
$400 shipped
Open to trades and offers