Cheap Fix to a Sloppy AR Upper & Lower
This video addresses the common AR-15 receiver 'slop' issue, offering two solutions. The Accuwedge provides a quick, inexpensive fix for wobble, while the Aero Precision M4E1 lower features an integrated tension screw for a more permanent, adjustable solution. Both methods aim to improve the upper-to-lower receiver fit for better stability.









