might be a dumb question, but is there a trick to identifing an AR upper. The one I have really has no markings on it except for a small symbol on the right side that looks like a keyhole???
looked under the forearm grips and found no barrel markings.
Am i missing something?
Thanks
john
looked under the forearm grips and found no barrel markings.
Am i missing something?
Thanks
john




















































