Return to 10.5" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL

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0 of 0 people found the following review helpful:

Awesome upper assembly January 7, 2024 : William Chesser from Gastonia, NC United States   Awesome quality as always at an unbelievable price for such a great product. This is my third upper assembly from MAS Defense. Ready to plan another build Was this review helpful to you?

0 of 0 people found the following review helpful:

Uppee June 9, 2022 : Wayne Smith from Pleasant Garden, NC United States   This upper was better than I thought it would be. Definitely high quality! Was this review helpful to you?

0 of 0 people found the following review helpful:

Looks great April 30, 2021 : Michael R.   Solid looking upper. Very happy with the fit and finish of this upper so far. Have not had a chance to use it yet but for the money I am very excited to finish my pistol build. I'll be looking forward to ordering more from Mas Defense for sure! Was this review helpful to you?

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Great product great company April 8, 2021 : Michael Antonacci from Mahomet, IL United States   Product is as expected, great service and quick shipping. Was this review helpful to you?

0 of 0 people found the following review helpful:

Perfect Upper March 26, 2021 : ROBERT LYNCH from WEST TERRE HAUTE, IN United States   Man what  nice upper at a great price!! Was this review helpful to you?

0 of 0 people found the following review helpful:

WOW!!!! March 9, 2021 : James from PA United States   This upper is so freaking sweet!!!  Thank you MAS! Was this review helpful to you?

0 of 0 people found the following review helpful:

Excellent quality December 30, 2020 : Wesley O'Neil from Bridgeport, TX United States   Very nice fit and finish and was packaged well to prevent damage in shipping.  Upper has a very good fit to the lower.  Have not fired it yet but am happy with the appearance and the way it was put together.  The upper was exactly as described on the website.  Shipping was also faster than I expected with the high volume of orders happening now. Was this review helpful to you?

0 of 0 people found the following review helpful:

10.5 inch 5.56 ridgeline November 24, 2020 : Austin R from Hartford City, IN United States   Awesome product. Even with the covid situation I received within a week. Handguard feels awesome which i was worried about since I do have smaller hands for a guy but fits great and seems very well made. Only had chance to hit up the 25 yard indoor range and after a few adjustments my sight was on and I was leaving very good groups smaller than the palm of my hand. Havnt gone to 50 or 100 yards yet but so far definitely would buy one again. Was this review helpful to you?

0 of 0 people found the following review helpful:

Very nice! November 9, 2020 : Vernon Patrick from Concord, NC United States   Could not have built better myself!!! Was this review helpful to you?

0 of 0 people found the following review helpful:

Great craftsmanship. Fast delivery October 8, 2020 : Warheadson4heads   The upper arrived ahead of schedule , very clean and sleek build. Slim flash can is a great idea for a 10.5 build. Only down side is the bottom of the hand guard where the bolts tighten down flares out slightly too much to mate with the lower receiver. I had to loosen the hand guard, pull it forward, mate the upper and lower, than slide the hand guard back down towards the lower until it “met”. Leaving a slight gap from handrail to upper. Minimal but existent. Was this review helpful to you?