Working on an older AR upper that I just added an Aero lower to. Never thought I would mess with these critters again. This one is a RR upper 18" bull stainless in 1/8. Put one of my VXR-Patrol scopes 1.25 - 4. Harris bipod and Magpul adjustable buttstock. This configuration used to work pretty good for me. Located 20K of 5.56 ammo in the stash so I figured it was about time to burn some of it up on the range. Still have an AR Five Seven upper that will be getting one of these Aero lowers next week. Whatta Hobby!


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