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Thread: M4 Feedramps

  1. #11
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    Great post very informative.

  2. #12
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    Thanks for the info.
    Great post.

  3. #13
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    Quote Originally Posted by K.L. Davis
    C'nC

    The use of SP or HP ammo introduces a variable that changes things... in fact some people make that scrunchy face like they just stepped in dog poo at the mere mention of SP ammo in autoloading rifles.

    I agree, but some of us poor bastards are stuck with SP and HP 5.56 for most occasions. I can't help but wonder how the 77 grain OTMs would do as a general issue round in weapons that did not have the enhanced feedramps. I don't have an answer, and I can't help but wonder if someone hasn't already done the testing....
    Stick


    Board policy mandates I state that I shoot for BCM. I have also done work for 200 or so manufacturers within the firearm community. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy.

    I also shoot and write for various publications. Let me know if you know cool secrets or have toys worthy of an article...


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  4. #14
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    Quote Originally Posted by Stickman
    I agree, but some of us poor bastards are stuck with SP and HP 5.56 for most occasions. I can't help but wonder how the 77 grain OTMs would do as a general issue round in weapons that did not have the enhanced feedramps. I don't have an answer, and I can't help but wonder if someone hasn't already done the testing....

    I shoot 77gr ammo in a weapon with rifle feedramps. No issues.


    C4

  5. #15
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    Quote Originally Posted by C4IGrant
    I shoot 77gr ammo in a weapon with rifle feedramps. No issues.


    C4

    Good info to know.
    Stick


    Board policy mandates I state that I shoot for BCM. I have also done work for 200 or so manufacturers within the firearm community. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy.

    I also shoot and write for various publications. Let me know if you know cool secrets or have toys worthy of an article...


    Flickr Tumblr Facebook Instagram RECOILMAGAZINE OFF GRID RECOIL WEB

  6. #16
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    Quote Originally Posted by Stickman
    Anyone know the angle difference between the two feedramps?

    Rifle = 45 degrees
    M4 = 52 degrees
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  7. #17
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    MY 1st POST -----

    HERE IS A LINK TO MY HOME MADE M-4 FEEDRAMPS...

    Hope this adds to the info.

    http://www.ar15.com/forums/topic.htm...f=118&t=288581



















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  8. #18
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    My Defender 2000 LMT has the M4 ramps
    When I shoot the Ranger 64gr PP the nose still gets smash up a bit, but feed 100% make sure you clean the build up
    I feel it better to have them! since it wont make the AR15 any less reliable

  9. #19
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    Quote Originally Posted by Stickman
    I agree, but some of us poor bastards are stuck with SP and HP 5.56 for most occasions. I can't help but wonder how the 77 grain OTMs would do as a general issue round in weapons that did not have the enhanced feedramps. I don't have an answer, and I can't help but wonder if someone hasn't already done the testing....
    I think Travis has done quite a bit of informal field testing on live targets...

    Do not taunt Happy Fun Ball...

  10. #20
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    Quote Originally Posted by SuicideHz
    I think Travis has done quite a bit of informal field testing on live targets...

    Yes Travis' shooting was with MK262 in a Bushmaster Gov't profile A2 20" bbl w/o M4 feedramps IIRC.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

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