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Thread: Signs of high pressure test?

  1. #51
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    Quote Originally Posted by prepare View Post
    According Sprinco description, May easily be the only extractor springs needed for the life of your bolt!
    The life of a bolt is anywhere from 12,000 to 20,000 rounds, a regular copper-colored spring lasts about 32,000 to 36,000 rounds. The copper colored spring can last up to three times longer than the bolt . . .

    A USGI stainless steel action spring will last at least 36,000 rounds and cost about $4.00 to $5.00.

    Your $20.00 Springco Spring will need to last 144,000 rounds in order to be a better value than a $5.00 spring, but you will have to shoot all 144,000 rounds, maybe more, to recoup the investment. That's poor economics.
    Last edited by lysander; 06-06-23 at 11:28.

  2. #52
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    Quote Originally Posted by lysander View Post
    The life of a bolt is anywhere from 12,000 to 20,000 rounds, a regular copper-colored spring lasts about 32,000 to 36,000 rounds. The copper colored spring can last up to three times longer than the bolt . . .

    A USGI stainless steel action spring will last at least 36,000 rounds and cost about $4.00 to $5.00.

    Your $20.00 Springco Spring will need to last 144,000 rounds in order to be a better value than a $5.00 spring, but you will have to shoot all 144,000 rounds, maybe more, to recoup the investment. That's poor economics.
    Understood on the economics.

    In terms of service life both springs are highly regarded.

    The only negative that I'm aware of regarding Sprinco is something about action spring corrosion some years ago. Don't have any details though...
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  3. #53
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    Quote Originally Posted by prepare View Post
    The only negative that I'm aware of regarding Sprinco is something about action spring corrosion some years ago. Don't have any details though...
    Well, stainless steel is the best material choice for an action spring, due to it corrosion resistance.

  4. #54
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    Quote Originally Posted by lysander View Post
    Well, stainless steel is the best material choice for an action spring, due to it corrosion resistance.
    What are the chrome silicon corrosion resistance properties?
    You won't outvote the corruption.
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  5. #55
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    Quote Originally Posted by prepare View Post
    What are the chrome silicon corrosion resistance properties?
    No better than carbon steel, about on par with music wire . . .

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