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CBC Industries AR-15 Complete Upper Receiver Pistol Kit, .223/5.56, 7.5in
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Most Helpful Negative Review Most useless weapon that I have ever owned.
This AR pistol upper is the most useless thing that I’ve ever had the displeasure of owning. Along with the horrible service that I have received from CBC trying to get it repaired or replaced. It is effectively a single shot pistol as it has to be charged after every shot. I have returned it to CBC 3 times. I tried different buffer weights and different spring rates, none of which even came close to solving the problem. After the first return they asked for a video of the malfunction which I sent to them after the second return. I had been dealing with the head of QC who is a guy named Dean...
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7.5 pistol kit for ar15

by Mark, from TX, United States Written on August 17, 2021
Okay. I love the length and the kit came with the buffer and spring and the lower parts. The upper fits well on the James Madison lower which is a carbon fiber lower. The kit had everything I wanted for this build and on the first firing of it, I was very happy. But there was a problem after about 40 rounds. The gas block came loose! I found also the handguard was also loose! It started to short stroke and I had to remove the handguard and I had to blue locktite the set screws on the gas block. That is my only complaint. The bcg was very tight but it worked in nicely. 4 stars because the gas block and the handguard were loose. I do recommend this product though and.if you buy it, check both of those before you shoot it and I would take the bcg out and take it down and lubricate it well. But if you're planning a pistol build, this kit is the way to go!
Pros:
  • very complete kit
  • Handguard is perfect for a red dot sight
Cons:
  • Set screws on gas block not tight and not locktited in.
  • Handguard not tight
Best Used for:
  • Home protection and plinking
Would recommend: Yes
0 of 1 found the following review helpful.
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AR 15 Conversion Kit

by Johnny, Verified Owner from FL, United States Written on May 21, 2020
I couldn't be happier with my purchase installed in seconds I already had the lower's. OMG it's AWESOME!! Suburban contact is now nothing to worry about! Lie weight agile and can be held with one hand or tucked into shoulder. I can't believe hoe compact my riffle has become.... Thank you again! Worth every penny!
Pros:
  • Litye weight very agile.
Cons:
  • Long Range is hard to target
Best Used for:
  • Home defense or urban defense
Would recommend: Yes
Was it helpful to you? Yes | No
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