Lots of stuff in the Colt booth. First off, these photos are for those of you who wondered how they reconcile the 5.56 and 7.62 mag wells of the 901.
Notice that the front takedown (or pivot) pin is slightly forward of and below normal on the 901. An adapter for the narrower throat of the 5.56 upper is pinned place on the normal, Mil Spec point.
Next, they displayed three rifles marked as Prototype.
They also had quite a few interesting custom finishes on display.
Finally, Colt showcased the M45A1″ built for the USMC.