Can never go wrong with the quality from MAS Defense.
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July 24, 2022
:
Ms Bee from Los Angeles, CA United States
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Best Quality!!!
March 23, 2022
:
Justin Jones from McDonough, GA United States
I have a few of their uppers in all different lengths and calibers and I feel they are the best quality for the price by far! I have matched them up with different brand lowers and all have functioned 100%! Mas Defense has become my go to site for my AR builds