Another comment. On the list of films I watched about the M14/M1a Variation explained there is one screw that can be utilized to adjust the barrel whip i.e. the accuracy. I'm wishing to say they have been equipped to adjust it to acquire 1 moa from one of the rifles https://purchase-a-gunstock-onlin50493.mdkblog.com/37673885/brownells-733-upper-things-to-know-before-you-buy