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Walker Defense Research Dark Matter High-Polish DLC Bolt Carrier Group
$269.99 $253.99 Save $16.00
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Most Helpful Positive Review Great Bolt Carrier Group!
This is an excellent bolt carrier group. DLC is pricy, but is worth the extra cost. The carrier works flawlessly! The only reason that I gave this product four stars rather than five is because there are some VERY jagged edges on one of the pins (taper?). This carrier is supposed to have had a lot of extra care put into it, such as hand-selecting each piece, and a premium is charged because of that. There should not be a single jagged edge, let alone an entire area where the pin has been smacked into place.
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Dark Matter DLC BCG

by PBH, Verified Owner from FL, United States Written on March 31, 2026
I have this BCG in a 300 blk. It is usually suppressed. It has run flawlessly to date, and has been a breeze to clean. I usually use a little CLP, but I think I could just use a rag and clean it as well. Price is a little steep, but thought it was worth a try. I will probably buy another for a suppressed 5.56, 11.5 Inch.
Best Used for:
  • suppressed shooting
Would recommend: Yes
Was it helpful to you? Yes | No

you won't regret it!

by Lrod, Verified Owner from WY, United States Written on March 27, 2026
This bolt carrier is awesome! Everything seems to be too notch DLC coated! Even the bolt and the chamber where the bolt goes into. As mentioned in an other review they found sharp edges. This has not been the case for me. I have found this bcg to be completely dehorned and slick as glass. After some oil it's extremely slick! Cannot wait to try it out! Mainly looking forward to cleaning it. I think that's where it's really going to pay off
Would recommend: Yes
1 of 1 found the following review helpful.
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Great bcg!!!

by Kdubbs, from NY, United States Written on October 10, 2025
I have two of these bcg’s and they are really nice. I would put them on par with sionics np3.
Pros:
  • Quality
Cons:
  • None
Would recommend: Yes
1 of 1 found the following review helpful.
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