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Thread: Lengths guide for AR-15 handguard, muzzle devices relative to barrel

  1. #21
    CGN frequent flyer sidester's Avatar
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    Thanks tna

  2. #22
    Business Member True North Arms Corp's Avatar
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    Quote Originally Posted by Chumlee Bumsnag View Post
    You guys are good at maths.


    Hmm, maths ...haven't heard that in years. Used to be an engineer. [puffs cigarette] Until the accident.
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  3. #23
    Super GunNutz KePet's Avatar
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    (Click image if you want absolutely nothing to happen)


    Love this.
    My wife calls me a pessimist. I claim I'm a realist. But I'm probably just an a$$hole with an attitude problem.

  4. #24
    CGN Ultra frequent flyer yomomma's Avatar
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    Hmmm No we need to know what buffers and springs to use with what length
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  5. #25
    Business Member True North Arms Corp's Avatar
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    Quote Originally Posted by yomomma View Post
    Hmmm No we need to know what buffers and springs to use with what length
    I've been collecting spring data.

    for now here's a list of buffer lengths:

    (rounded to the nearest 0.05")
    AR-15-size receiver with an M4 buttstock -- 3.25"
    AR-15-size receiver with an A1/A2 rifle stock -- 5.90"

    AR-10/AR-308 receiver with an M4 buttstock -- 2.50"
    AR-10/AR-308 receiver with an A1/A2 rifle stock -- 5.30"
    True North Arms Corp.
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  6. #26
    CGN Regular HKNova6's Avatar
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    Hahaha. Pops a blue one... had to think for a sec...
    Thanks TNa
    You’re not completely useless, you can always serve as a bad example.

  7. #27
    CGN Regular JFF's Avatar
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    Thanks TNA! Great info to have around for future builds.

  8. #28
    Member marko.lachapelle's Avatar
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    Lolll im dying

  9. #29
    CGN frequent flyer jw8's Avatar
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    stag 10 upper/lower check.
    12.5 inch barrel....stat


    I know you don't have any at the moment, but maple ridge, and lantac both list these, do you think you'll have any anytime soon?
    really want to get this sbr ar10 on the go.
    thank you for any assistance you may be able to provide.
    "an armed society, is a polite society"

  10. #30
    CGN frequent flyer
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    what's the gas system length on your 10.5" uppers? looking to do the Adams Arms piston conversion so any input would be helpful


    thanks
    CCFR Member

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