I have a BCM 16" midlength upper (factory built by BCM) for sale/trade
Features:
M4 Feed Ramp Barrel Extension
M4 Feed Ramp Flat Top Receiver
T-Marked Upper Receivers
USGI 1/7 Twist Rates
USGI 5.56 NATO Chambers
Mil-Spec 11595E - Certified Barrel Steel (CMV)
Chrome Lined Bore and Chamber
Manganese Phosphate Barrel Finish
Mil-Spec F-Marked Forged Front Sights
USGI Government Profile Barrels
HPT (High Pressure Test) Barrels
MPI (Magnetic Particle Inspected) Barrels
Also includes Magpul MOE (black) hadguard
150-200 rds down range (I am original owner), excellent condition
1.5" groups at 100 y w/ a 4x ACOG and decent ammo
$450 without BCG/CH
$625 w/ BCG and BCM mod 4 CH ( $678 plus shipping from BCM plus $20 for the MOE handguard)
$700 w/ BCG and BCM mod 4 CH AND Troy rear folding battlesight
sorry for the crappy cell pic.

Trades:
I’m really wanting an MOA ALL DAY upper. Leaning towards the mk12 mod 1 or other SPR type upper (18" ss barrel, preferably coated in black) would also consider noveske 16" (dont like nsr rail).
something with a matchgrade barrel
I’m open to adding cash if needed