G&R Tactical
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Thread: Recoil spring recommendation for 20" guns

  1. #11
    Join Date
    Jul 2010
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    Well, I shot today, and didn't have a single issue, from 5.56 M855 to .223 Federal T223F
    So I'd say that my spring is probably good to go.

  2. #12
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    When I had a buffer/spring question, I called Sprinco and they fell all over themselves to answer my questions and give me recommendations. All their buffer springs are the same price so they have no dog in the fight as to spring recommendations. Do yourself a big favor and call them: (512) 331-8797

    Their web page:
    http://www.sprinco.com/tactical.html

  3. #13
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    Jun 2016
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    Quote Originally Posted by masakari View Post
    Just finished building a 20" A2 gun, it's all Colt with an off brand lightweight 20" barrel. The only recoil spring that I have is a Wolff XP rifle length spring.
    Now, I haven't shot it yet, but what's the thinking behind these heavier recoil springs, instead of standard springs, with rifle length gas systems? Any problems that I should look out for?
    Just want to know if I should plan on needing a standard spring, or if this Wolff will be good.
    I will be shooting it Tuesday.
    Thanks guys
    The Wolf spring should be good to go as long as it's not an extremely heavier spring. If it's around 10% you should be OK. I think some of these heavier springs are coming out due to the faster triggers on the market now, IMHO.

    Try it and see. If nothing else there should be plenty of sales this weekend to get a good new standard rifle-length spring.
    Never forget every word you spoke when you took your oath of office.

  4. #14
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    If your building a true A2 with a 1:8 twist to handle the heavier loads IE 68gr which the 1:8 is designed for, then go with a OEM Colt Buffer Tube Spring. My suggestion is to stay as OEM as possible. Personally shoot heavier loads then that and use the Flat Spring from a manufacture in DFW, Texas and run it with a Magpul M4 H2 buffer in my full length with a 1:9 twist. Have had issues with firing cheap WOLF 55gr. ammo thru it. Never a issue with federal 55gr. on up 72 gr.

  5. #15
    Join Date
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    I think there is way tooooooo much thought being put into this. A USGI spring works fine, a Sprinco spring will work fine as well. Myself and numerous others have thousands upon thousands of round through various configurations using them.



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