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Tactical Superiority AR-10 Lower Parts Kit A2 Black Grip, .308
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Most Helpful Positive Review Great Price...some small issues
Great price, but there were some issues: * The magazine catch release shaft was too short. I believe they sent me one for an AR-15, not an AR-10. Release button wound up flush with receiver body. * No set screw included for rear take-down pin hole...my lower is threaded, not sure if all are, so ...
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Most Helpful Negative Review Take down pics are junk
Installing this on an Aero M5. Forward pin just barely fit and is just less than flush on the other side. Rear pin is total junk. Diameter of pin is too large to fit into the lower. Very rough finish like the pin was never completed. Certainly no quality control was done by the maker or OpticsP...
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Good for budget build. one wrong part

by Lee, Verified Owner from WV, United States Written on May 31, 2022
This was a good cheap parts kit. I only had one issue. The magazine catch that came with the kit was a ar-15 catch and not an ar-10. It would not engage the bolt on an empty mag, and would bairly hold it if I manually set the bolt catch. Even then it wouldn't hold the bolt long, and would slam closed on it's own without hitting the bolt release. I ordered an aero precision ar-308 bolt catch and it works like a charm now. Sucks that I had to spend an extra $15 on a bolt catch, but it was still cheaper than most other kits.
Would recommend: Yes
Was it helpful to you? Yes | No

Lower parts kit ar10

by Tony,s guns, from FL, United States Written on March 19, 2022
Great kits. I have used on several builds. Will continue to use on future builds, quality parts and excellent fit good springs and average trigger pull. Polishing trigger/ hammer achieved better trigger pull.
Pros:
  • Complete kit, all parts high quality.
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Horrible product

by Tom, Verified Owner from NY, United States Written on November 9, 2021
So I'm building a budget 308 I found this kit and thought its great for what I'm doing. Well I ordered it and everything was packaged in color coded bags, I started putting it together and noticed that the takedown pins are extremely stiff. They probably wear out. Then I put the trigger assembly in and wow the trigger is complete garbage hanging on the disconnector and sear. I ended up needing to polish the sear and disconnector to just get the hammer to drop. So after I finally got it all to work I put the rifle in the safe and after 1 week all the parts are rusted. This kit is junk buy a better one
Pros:
  • Cheap
Cons:
  • Poor trigger
  • Rusting parts
Best Used for:
  • Taking up space in garbage
Would recommend: No
1 of 2 found the following review helpful.
Was it helpful to you? Yes | No

Came with everything, gun works great.

by Rocky Mountain Ghost Builder, Verified Owner from WY, United States Written on September 6, 2020
Installed these parts in a finished DPMS/Aero style lower. Everything works great. I did have an issue with the rear pivot pin being a little too long. I installed it in the upper before attaching the lower and in the fully backed out position the tip of the pin protruded into the inner pocket of the upper about 1/8 inch. I had to do a little prying to get the lower to pop in but it went in without much of a fight. It marred the finish on the lower where it scraped by the tip of the pin. It also protrudes about 1/8 inch out the side of the gun. Also it makes it so I cannot separate the upper from the lower without depressing the detent and backing the pin all the way out of the gun. All these things being said, It is there. It works fine. I'm leaving it there unless i need to remove it for some reason, at which point i will be grinding the tip down to a proper length. Other that this bit of difficulty with a pin that should never need to be removed anyway, this kit was a great buy. Springs have good strength. Hammer hits square and true, Trigger has a nice feel. Grip is sturdy and comfortable. Gun fired fist try. Really cannot complain. It would have got 5 stars were it not for that weird pin length issue.
Pros:
  • Almost every part was perfect
Cons:
  • Rear pivot pin was a bit too long
Best Used for:
  • any AR platform 308 build
Would recommend: Yes
Was it helpful to you? Yes | No

AR-308 Pistol build

by Pickle1007, from WA, United States Written on January 16, 2020
I have to say I really like CMMG products. This lower parts kit comes very organized.... all the parts are bagged with other parts that go to there specific are of your build. I have never had problems with substandard parts.
Would recommend: Yes
Was it helpful to you? Yes | No
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