I have been looking around in my search for parts in a new build and keep hearing about reciever straightness. While i havent had any function issues with the plain ones i have, i do have a couple questions.
For builders who check this what exactly are you checking and how do you do it? What would be considered a ok tolerance?
I really want to buy a Vltor Mur or maybe a Larue Stealth but dont have the extra cash at the moment so that will have to wait a little while. In the mean time i would like to check out what i have just to quiet the perfectionist inside. I do realise that the MUR and the Stealth are made better and more rigid than a "normal" upper receiver but really getting down to it can you really have a functional or accuracy difference in an ar15 platform?
With all that said ill still buy one eventually because of the machinework, quality and how good they both look. So what do you think about this?
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