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CMMG, Inc MK3 Upper Group .308 Winchester 18 Inch, Heavy Taper Barrel, A2 Compensator, 5/8-24 Threads
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Very accurate, shipped fast

by Beaglepup, Verified Owner from CA, United States Written on November 29, 2016
Overall great, accurate upper.

The bolt fits very loose inside the carrier so the bcg will slide out of the upper when you tip it to the side. Called CMMG and they said it was fine if it still functioned. Seems to run so far.

I like that it will fit on DPMS gen 1 lower receivers and clones. Also will fit on the Windham Weaponry 308 with bushings for the take down pins.

Optics Planet shipped very fast. Too bad I didnt get a coupon code to save a little.

Overall very satisfied.
Pros:
  • Looks great
  • Accurate
  • DPMS compatible
Cons:
  • Heavy
  • BCG is "loose"
Best Used for:
  • bench shooting
  • DMR
  • Precision shooting
Would recommend: Yes
2 of 3 found the following review helpful.
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