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  1. #1
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    AIM Surplus Black Nitride Bolt Carrier Group

    Ben from AR15news alerted me to these AIM BCG's as I've been looking for a nitride coated Bolt Carrier Group to run in my gun. I've wanted to try the nitride coated carriers, ever since another manufacturer was trying to perfect the nitride coating, but had a lot of issues with the product and customer service. Checkout AIM Surplus to order and get more information.

    I'll try to post a review down the road once I get it going on a gun.


    Description:


    We are proud to announce the release of our V2 Back Nitride AR/M16 .223/5.56 Bolt Carrier Groups. MPI (Magnetic Particle Inspected) Bolt.


    Specifications:


    8620 Tool Steel Enhanced Radius design (Angle Cut) Carrier with inside and out Black Nitride Treatment
    9310 Steel MPI Bolt with inside and out Black Nitride Treatment
    Billet Machined Extractor with Black Insert and O-Ring upgrade
    Billet Machined 4140 Steel Gas Key
    Grade 8 Fasteners
    Military Specification Gas Key Staking


    MSRP: $99 Shipped.


  2. #2
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    these aren't full-auto carriers right?

  3. #3
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    My understanding is that they are. I can confirm for you when I receive my order.

  4. #4
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    Quote Originally Posted by UWone77 View Post
    My understanding is that they are. I can confirm for you when I receive my order.
    I was going to purchase one but that is the only thing holding me back

    thanks

  5. #5
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    That picture looks like a FA carrier.

  6. #6
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    Yes, full-auto. Description on the AIM website says "AR-15/M-16" and the one pictured is clearly a F/A carrier.

  7. #7
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    On my phone the picture is extremely small and pixelates when I enlarge it, hence the question.

  8. #8
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    I'm sure this question gets kick around a boatload of times and what not, but to my understanding isn't the 9310 bolt much more durable?
    BRUUUHHHH....Do you EVEN OPERATE?!?!

  9. #9
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    Quote Originally Posted by Soisauss View Post
    I'm sure this question gets kick around a boatload of times and what not, but to my understanding isn't the 9310 bolt much more durable?
    Milspec calls for Carpenter 158, but 9310 is similar in toughness and strength. 9310 is allegedly more corrosion resistant because of higher nickel content.

  10. #10
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    This is on my "to buy" list.

  11. #11
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    Full auto carrier as expected. So far so good.


  12. #12
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    Quote Originally Posted by voodoo_man View Post
    I was going to purchase one but that is the only thing holding me back

    thanks
    Voodoo_man. Is there a reason you don't like the FA version. I have one M16 carrier in one rifle, and the lighter AR (Fail Zero) in another. The M-16 BCU feels, as far as I can tell, to be smoother cycling. That's out of a 16" mid LMT Lower and Upper. I just received a third (it's FA) a Rainier, and am hoping that when I get everything together, that it, too, will feel smoother cycling.

    I'm just curious, as to whether it's a technical issue and you've had problems with heavier BCU's in the past? If it makes any difference, I use H buffers in both, and will be using an H buffer in this new build, as a starting point.
    Thanks,
    FT
    NRA Life Member
    Deplorables Life Member
    Bible and Gun Clinger
    Filthy Stinking Wal Mart Shopper


  13. #13
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    Quote Originally Posted by UWone77 View Post
    Full auto carrier as expected. So far so good.

    That is sexy, nuff said.
    BRUUUHHHH....Do you EVEN OPERATE?!?!

  14. #14
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    I put one of these through a limited test today. For a few mags of controlled fire with PMC .223, it worked perfectly in the 14.5" middy.

    That carbine's upper is my test platform for nitrided components with Froglube - the barrel, flash hider, gas tube and now BCG are all melonited. So far, I like the setup a lot, but I'll probably play with an H buffer now that the BCG is sorted out. I'll try to provide an update at 1K increments for this component.

  15. #15
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    Curious if anyone else is running one of these and how is it holding up? Coating? Any problems?

    Btw, these BCG's and the NIB ($129 models) now have a C158/mp tested bolt instead of the 9310. Bryan says it will be a standard thing from now on..Good deal IMO for $100 bux, although the nitrides are not in stock , he says soon, The NIB ones are back in stock..

    And UW...your pics are jacked as you are uber-tactically to popular and your shit is blocked......lol

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