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Thread: Help me build something better than a KAC SR15 14.5" upper

  1. #11
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    I agree with TMS951, just get a sr15 upper and then modify as you see fit.

    Quote Originally Posted by wildcard600 View Post
    Windham Weaponry.

    bam. issue resolved.
    Please say that was sarcasm.
    Last edited by VIP3R 237; 08-05-14 at 12:45.
    I paint spaceship parts.

    Quote Originally Posted by Failure2Stop View Post
    Stippled Glocks are like used underwear; previous owner makes all the difference in value.

  2. #12
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    Quote Originally Posted by PatrioticDisorder View Post
    Don't know about "better", but I'm planning 3 franken builds soon. I plan to go BCM BFH ELW-F 14.5 mid length barrel when it becomes available, SLR sentry 6 gas block and will have ADCO pin it, along with using their black nitride gas tube... Used in conjunction with LMT enhanced BCG including bolt (will also be using nickel boron can pin), JP enhanced gas rings, VLTOR MUR upper, BCM KMR 13, Raptor charging handle, LWRC skirmish sights and Surefire SOCOM 3 prong flash hider (for SOCOM mini).... Technically part of the lower but I'll be using VLTOR A5 with tubbs CS flat wire spring and either stock A5 buffer or A3. Lower I'll be using the AX556 (better than SR-15 lower IMO). I don't think I'll have to adjust the gas block very much but I want it to be on the razor' edge of cycling Tula brass max .223 and I'll only be running 5.56 after that. I'm imagining it being a very soft shooting, accurate, durable, reliable, lightweight build that requires minimal maintenance but only time will tell if I'm right.
    What's your experience with all of this stuff?

  3. #13
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    Quote Originally Posted by VIP3R 237 View Post

    Please say that was sarcasm.
    sarcasm was dripping off the keyboard as I typed it.

    in other news, i would follow advice post #2.
    Last edited by wildcard600; 08-05-14 at 14:02.
    "I pity thou, fools who dost not choose BCM" - King Arthur 517 A.D.

    .OlllllllO.

  4. #14
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    Quote Originally Posted by ScatmanCrothers View Post
    What's your experience with all of this stuff?
    besides the AX556 lower, none. Many accounts of guys running VLTOR A5 in combo with LMT BCG (including bolt) and having success, including with BCM middies (14.5 & 16).... Also reports of guys using the SLR & Syrac adjustable gas blocks with a lot of success.... ELW-F barrels have been reported to have good accuracy, especially when used with KMR which allows for perfect barrel nut torque. In theory it should work well, I have stock DD rifles so I'm at the stage in the game where I want to build & tinker....

    I could also just buy a SR-15 upper and call it a day, however no Mod 2 uppers available for currently and probably not an time soon, especially in 11.5 & 14.5 lengths... Of course if my builds run well then I'll have that added sense of pride that I built them, so there is that as well. YMMV

  5. #15
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    Okay so if I go with the regular sr15 16" and have Marvin cut it to 14.5 and dimple the barrel what am I losing and what am I gaining compared to the normal 14.5 with dimpled barrel?

  6. #16
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    Quote Originally Posted by PatrioticDisorder View Post
    besides the AX556 lower, none. Many accounts of guys running VLTOR A5 in combo with LMT BCG (including bolt) and having success, including with BCM middies (14.5 & 16).... Also reports of guys using the SLR & Syrac adjustable gas blocks with a lot of success.... ELW-F barrels have been reported to have good accuracy, especially when used with KMR which allows for perfect barrel nut torque. In theory it should work well, I have stock DD rifles so I'm at the stage in the game where I want to build & tinker....

    I could also just buy a SR-15 upper and call it a day, however no Mod 2 uppers available for currently and probably not an time soon, especially in 11.5 & 14.5 lengths... Of course if my builds run well then I'll have that added sense of pride that I built them, so there is that as well. YMMV
    i think he asks because on this forum you are only supposed to speak from personal experience

  7. #17
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    Quote Originally Posted by PatrioticDisorder View Post
    besides the AX556 lower, none. Many accounts of guys running VLTOR A5 in combo with LMT BCG (including bolt) and having success, including with BCM middies (14.5 & 16).... Also reports of guys using the SLR & Syrac adjustable gas blocks with a lot of success.... ELW-F barrels have been reported to have good accuracy, especially when used with KMR which allows for perfect barrel nut torque. In theory it should work well, I have stock DD rifles so I'm at the stage in the game where I want to build & tinker....

    I could also just buy a SR-15 upper and call it a day, however no Mod 2 uppers available for currently and probably not an time soon, especially in 11.5 & 14.5 lengths... Of course if my builds run well then I'll have that added sense of pride that I built them, so there is that as well. YMMV
    Just be careful with taking other guy's experiences with certain combinations at face value and assuming you'll have the same experience, especially with different variables mixed in. If you get into a bind after it's completed it'd make for a really difficult time finding where the issues are stemming from.

    Otherwise that's about as cutting edge of a parts list as you could have. But forget about the SR-15 Mod 2 upper, for that kind of dough for three builds you could get a complete Mod 2. Or 2, or 3.

  8. #18
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    It's the same exact rifle except the orginial has a heavy contour barrel dimpled. Yours will have a skinny contour barrel dimpled. Yours will actually be lighter in weight.

    Nothing else really differs. Gas port size may vary slightly but it's almost not worth mentioning.

  9. #19
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    I'll also add that while it might be slightly more bad ass, it will cost like $800 and basically add no real tangible benefit to the orinial configuration. If you want a 14.5" barrel. Ok but I don't really see the point in dimpling that skinny contour barrel.

  10. #20
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    Unless you are going to get a piston upper, and while that is not "better" it is just "different" I doubt you will get much more out of it.

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