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Thread: Bolt Lug Tolerance/Spec

  1. #41
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    Quote Originally Posted by WS6 View Post
    Wow, So much for the 100% money back guarantee.

  2. #42
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    edited I pulled the spec up again.
    .278" +- .002 or .276-.280
    I have seen them from the .278 max down to LMTs at .272". It seems lately the extensions are short so any bolt .278 or more can hit the breech of the barrel and not lock.
    To figure the important headspace measurement, measure the lugs then subtract the depth of the recess. The difference should be .150-.153"
    Last edited by constructor; 09-16-13 at 09:53.
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  3. #43
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    Quote Originally Posted by mtdawg169 View Post
    Wow, So much for the 100% money back guarantee.
    If you read the entire thread on WEvo you'll see that he didn't purchase it directly from RCA, and the retailer he did get it from would not accept a return.

    Still a bum deal, though.

  4. #44
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    Quote Originally Posted by Slippers View Post
    If you read the entire thread on WEvo you'll see that he didn't purchase it directly from RCA, and the retailer he did get it from would not accept a return.

    Still a bum deal, though.
    Eligibility/Non-Transferable

    This Limited Warranty applies only to the Purchaser of the Products and only if the Products are purchased from Company authorized distributors and/or resellers, or directly from the Company
    https://www.rubbercityarmory.com/warranty.php

    Without more details, it is impossible to say.

  5. #45
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    Quote Originally Posted by Slippers View Post
    If you read the entire thread on WEvo you'll see that he didn't purchase it directly from RCA, and the retailer he did get it from would not accept a return.

    Still a bum deal, though.
    I didn't read the WEVO thread. The letter from RCA said enough to me. It shouldn't matter where it was purchased from, it's their product and their warranty. No different than returning a gun to S&W or any other manufacturer in the event of a defect.

    ETA: what does "in spec with our stock" mean anyway?

    Correction: my memory must be failing. I was under the impression that they offered an 100% satisfaction guarantee, something along the lines of, if you don't like it, send it back for a full refund. After reading their warranty statement it looks like it was actually stated as a limited Lifetime warranty:

    From RCA website: " Except as may be further limited herein, this Limited Warranty shall be effective for the usable lifetime of the Products under normal use and service, which is a period of twenty (20) years, commencing on the date of the original purchase of the Products and continuing to the twentieth (20th) anniversary of such date."
    Last edited by mtdawg169; 09-16-13 at 11:12.

  6. #46
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    Quote Originally Posted by mtdawg169 View Post
    I didn't read the WEVO thread. The letter from RCA said enough to me. It shouldn't matter where it was purchased from, it's their product and their warranty. No different than returning a gun to S&W or any other manufacturer in the event of a defect.

    ETA: what does "in spec with our stock" mean anyway?
    It means that their product sets their standard for a mil-spec dimension

  7. #47
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    Quote Originally Posted by WS6 View Post
    It means that their product sets their standard for a mil-spec dimension
    Right. I take it to mean that they don't know the spec and depend on their source to ensure tolerances. That leaves them in the position where all they can do is compare it to what they have on hand, with no idea what is should actually be.

  8. #48
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    Quote Originally Posted by mtdawg169 View Post
    Right. I take it to mean that they don't know the spec and depend on their source to ensure tolerances. That leaves them in the position where all they can do is compare it to what they have on hand, with no idea what is should actually be.
    When I called with my issue, both Chris and I were mic'ing bolt-lugs over the phone. Mine were .003-.004" longer than any he had in the shop and he begrudgingly offered to swap me bolts. I accepted, but decided later to just decline and cut my losses. I don't need more of their crap. Personally, I feel sorry for the other guys at RCA. Chris is the only one I have dealt with who seems to be cut from that sort of cloth. They should keep him behind a gun and off of the phone, he's good at what he does, and it's not CS.

  9. #49
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    Quote Originally Posted by constructor View Post
    edited I pulled the spec up again.
    .278" +- .002 or .276-.280
    I have seen them from the .278 max down to LMTs at .272". It seems lately the extensions are short so any bolt .278 or more can hit the breech of the barrel and not lock.
    To figure the important headspace measurement, measure the lugs then subtract the depth of the recess. The difference should be .150-.153"
    I noticed the newer LMT bolt lug lengths were .272" in length back around 2009.
    Always wondered,but never asked anyone at LMT,but have you heard why they changed that dimension to .272"?
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  10. #50
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    Quote Originally Posted by Blankwaffe View Post
    I noticed the newer LMT bolt lug lengths were .272" in length back around 2009.
    Always wondered,but never asked anyone at LMT,but have you heard why they changed that dimension to .272"?
    No, not from them.
    It seems the extensions and shank length of the barrels vary quite a bit.
    There should be .01 clearance between the largest bolt lug and the breech but I know that isn't the case.
    The important measurement is the .150-.153" that dictates the headspace. They may think it's best to hold that measurement and give a little extra clearance to the breech in case the barrels are off. I have done the same thing but not as short as .272" I try to hold the lug length to .275-.277"
    AR15performance
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