These are custom built (in house) 11.5 FBI HRT uppers utilizing all Colt parts (SP401757, SP62366, SP95108, SP63528, SP61962, SP62483, SP90403, SPR6106SVL). BCG and CH is NOT included. Barrel feature Colt's cage code.

We build these as parts become available. They are scarce/rare to come by. We only use Colt OEM parts. 
This is an NFA upper.