I've decided to sell my MK18 CQBR upper or wanting to trade for a MK12 Mod 0 of H upper.
It's a Colt Keyhole upper, Colt Auto BCG/Charging handle. Matech rear sight, KAC Taupe front sight, Daniel Defense 10.3 MK18 barrel, DD RIS II FDE Rail, KAC gas block, KAC NT4 flash hider. Tango Down Stubby VFG, CQD sling mount.
Upper has 100 rounds shot through it for break in purposes. Pretty much new.
Asking $1300 or trade for MK12 Mod 0/H upper.
Willing to part out.
KAC Taupe front sight $220 (it's new, just installed)
Barrel, gas block, NT4 flash and gas tube $400 (has 100rds through it)
DD RIS II FDE $575 (its new)