Return to MAS DEFENSE AR-10 .308 DPMS GEN 1 HIGH PROFILE BILLET UPPER RECEIVER - BLACK

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0 of 0 people found the following review helpful:

i would buy again June 6, 2026 : Jeff Burke from Concord, VA United States   The finish and fit were exactly right . now problems with my build. Was this review helpful to you?

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Billet upper April 13, 2026 : Sam   Fast shipping and great product. Exactly what I needed for my latest project. High quality. Was this review helpful to you?

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Lower parts kit and upper receiver March 20, 2026 : Craig Knutson from CANNON FALLS, MN United States   I haven't received my upper yet, it's still in the mail but excellent service so far. Great company to deal with. A+ Was this review helpful to you?

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Fantastic March 4, 2026 : MICHAEL FAULKNER from Jesup, GA United States   Excellent fit and finish. Wish I had a reason to buy several more Was this review helpful to you?

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Great product February 1, 2026 : Isaac Harris from Chandler, AZ United States   Very affordable well built and shipping was way faster than expected Was this review helpful to you?

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Good deal with small issue February 1, 2026 : Bryan Ridge from Southgate, MI United States   Upper looks great and I got it at a great price. Shipping was good and packaged well. The only issue I have is the pivot and takedown holes are a little off or the coating is a little too thick. I set the upper into the pivot pin and as I lower the upper to the lower receiver it doesn't go all the way down to get the takedown pin in place. The coating at the front of the upper makes contact with the lower before it is flush. Was this review helpful to you?

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Fast, Immaculate quality, and great service October 27, 2025 : Cesar Martinez from Westminster, CA United States   I've had ordered a AR10  .308 upper receiver and had received it within a week, the workmanship is stupendous. I had bought in this upper for M5 Aero Precission lower. The back back, take down pen fitted perfectly. The front however, was slightly off and wasn't matching correctly But nothing a little bit of filing can't fix which I did and it fitted like a glove. Keep in mind, I'm using 2 different manufacturers and especially for an LR308/DPMS  ar10 style there isn't really a milspec fits all When it comes to this type of Built. Overall, great company will be ordering from them again. Was this review helpful to you?

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Budget upper October 22, 2025 : James Botschon from Fate, TX United States   I was looking for a good semi-budget upper for my AR-10 I'm building. Shipped pretty fast and looks like a quality build. I will update once the rest of my parts come in. Was this review helpful to you?

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Tight fit October 9, 2025 : Big Ed from Madera , CA United States   Bought this to go with an Anderson Gen II AM10 lower; it matched up very nicely with a very tight lock-up. I would buy again. Was this review helpful to you?

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Exceptional August 20, 2025 : Adam from NC United States   The upper I received is very nice. Nice finish, no marks left over from machining. Fits perfectly to my lower, to notch my dudes. Keep up the good work! I'll be buying here again. Was this review helpful to you?