Your pick. I'm looking for a 450B upper. New to this forum but I've got perfect ratings on Arfcom, rugerforum, leverguns community and several others.
300 Blackout Upper
16" DD bull barrel
15" free float quad rail
Shark bite muzzle brake
Carbine gas system .095 port
Test fired (20 rds) Will cycle subs and supers
Or
300 Blackout Upper Hardened Arms
16" barrel
upgraded to 12" free float
Unfired
Or
Remington R1 1911
45 acp
Upgraded with wilson combat magwell
Checkered front strap
Under 25 rds thru it.
or
Bushmaster 5.56
Hbar
20"
Carry handle with A2 sights
Osprey red/green optics
100 rds thru it
For the right upper I can include a new Bushnell Elite Series 3200 10x40.