Colt 10.3 w/ Geissele rail

These are custom built by Black Phase Tactical, ready to fire, 100% complete upper receiver groups. Professionally assembled with high quality parts.

Parts list:
Colt cage code upper receiver

Colt charging handle

Colt BCG HP/MPI

Colt 10.3" barrel w/ Crane spec .070" gas port

Colt a2 flash hider

Colt gas tube & roll pin

Geissele gas block

Geissele MK8 rail (black or fde)