This is my favorite rifle I have. Everything minus the lower is factory ACR.
Upper was bought from a Colt executive and have the letter for the ownership on that. The grip was gifted my someone who I will be ever thankful for as they are almost impossible to find! Stock and buffer were bought out of the same estate and are NOS. These were used with both a 8 position tube and this stock as well as a shorter stock and 7 position tube.
The front section had a tube on it designed by KAC and the ATF designated it a suppressor as it lowered the decibel level by I believe 5-6 so that is what it’s not on this. The forward section of the barrel is hard chrome plated to help reduce carbon build up. This is an earlier style upper with the A2 upper instead of the flat top as seen more so in the tests.
The heat shields on the handguards are actually hot glued on and appear to be hand cut. The handguards are held together by 4 screws. The concept was to be a quick sight acquisition like a shotgun rib.
They were tested with Duplex ammo as well of which I have 6 versions of phase 2 and 3.
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