Geissele Automatics has announced they will now carry Colt Mil-Spec Upper receivers with ejection port covers and forward assists pre-assembled, along with Colt bolt carrier groups.
Geissele Automatics states “These are authentic Factory Colt Stripped Upper Receivers.
Machined from aircraft grade 7075 aluminum and finished in type 3 hardcoat anodized. Manufactured by Colt to exceed all Mil Spec requirements.
They feature a Picatinny flat-top rail, M4 feed ramps, a machined shell deflector and a forward assist slot.
This upper features Colt’s cage code and this is a great place to start for a clone-correct build.”
\”These are authentic Factory Colt Bolt Carrier Groups, compatible with your AR15, M4 or M16.
The carrier and bolts are MPI tested, and manufactured to Mil Spec requirements.”
To learn more about Geissele Automatics and their support for the Colt brand of products. CLICK HERE