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Thread: High-Strength Super Alloy BCG?

  1. #1
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    High-Strength Super Alloy BCG?

    The new Ruger SFAR AR 10-
    Bolt and barrel extensions are CNC-machined from high-strength super alloy steel that outperforms traditional C158 bolts.

    Any ideas what it is? I doubt its 9310 or they would have listed that since its a common bolt steel.

    https://ruger.com/products/sfar/specSheets/5611.html
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    Quote Originally Posted by prepare View Post
    The new Ruger SFAR AR 10-
    Bolt and barrel extensions are CNC-machined from high-strength super alloy steel that outperforms traditional C158 bolts.

    Any ideas what it is? I doubt its 9310 or they would have listed that since its a common bolt steel.

    https://ruger.com/products/sfar/specSheets/5611.html
    I am curious about this too, but it is Ruger we're talking about here... My expectations that they genuinely innovated something significant are pretty low.
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    The only bolts Ive found to actually live up to their claims are the LMT enhanced and the KAC E3 bolts which are both using Aermet steel. Unless Ruger is using the same materials I highly doubt its going to be anything special.
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    I would expect that the alloy was chosen using material cost, availability, and manufacturing ease as the prime considerations. I'm not saying that it isn't a great steel but I agree with Georgeib. Note the 4140 barrel steel.

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    Just sounds like marketing BS. "Our bolts are made out of some unspecified super DUPER alloy" Yeah ok... I'll stick with my perfectly adequate C158 bolts, thanks.
    Last edited by kirkland; 12-30-22 at 07:55.

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    Quote Originally Posted by georgeib View Post
    I am curious about this too, but it is Ruger we're talking about here... My expectations that they genuinely innovated something significant are pretty low.
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    Quote Originally Posted by kirkland View Post
    Just sounds like marketing BS. "Our bolts are made out of some unspecified super DUPER alloy" Yeah ok... I'll stick with my perfectly adequate C158 bolts, thanks.
    How could you possibly know if C158 was perfectly adequate for a new miniaturized .308 design?

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    Quote Originally Posted by Todd.K View Post
    How could you possibly know if C158 was perfectly adequate for a new miniaturized .308 design?
    Because I missed the part about it being a mini .308 design. Guess I should not post in the mornings before having coffee

    Still sounds like marketing hype. What is the material used?

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    Didn’t help that it’s not in the correct sub either.

    Based on the price, 9310 and marketing would be a reasonable guess.

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    Quote Originally Posted by Todd.K View Post
    Didn’t help that it’s not in the correct sub either.

    Based on the price, 9310 and marketing would be a reasonable guess.
    Technical definition- pertaining to special knowledge especially in a mechanical or scientific field.

    The website lists 9310 for their plane jane AR's so I believe it must be something else for the SFAR
    Last edited by prepare; 12-30-22 at 13:14.
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