Still in the process of arranging and cleaning up the workshop. Found these hanging on the side of my prepped brass storage rack and thought they might make a filler project for a bit. Top is a bull barreled RR upper and the bottom is an AR-Five Seven that I took out of service some time ago. Picked up and Arrow Precision M4 lower to get a start on these. Haven't messed with ARs since LRB made their lowers available a few years ago. Whatta Hobby!


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