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Thread: M4 Carbine Recoil too strong

  1. #31
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    This is a .308 FAL Para with a 16" barrel and an A2 birdcage (no comp or brake) and this thing after about 2,000 rounds actually bent the position pin in a CTR stock, so it has quite a bit more recoil that a 5.56.



    How can you be missing a man sized target at 25yards when these doubles were consistently about 2" apart at 25 yards???

    cameron
    Last edited by Cameron; 11-08-09 at 19:31.
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  2. #32
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    Quote Originally Posted by XCRFan View Post
    I went to the range today. Fired about 100 rounds, and the rifle is accurate as hell. At 50 yards with a compM3 4MOA sight I had sub MOA groups.

    However, I still have a pretty strong recoil. My only culprit left I can think of as being the problem is the gas port. So I am looking at buying a JP Enterprises Adjustable A2 Gas Block.



    I have checked Brownell's, MidwayUSA, and a few other places. I even googled it for places that may have it in stock.

    Does anyone know where I can get one? I even looked on GB with no luck. Or does anyone know of another company that makes adjustable gas blocks?

    Thanks for any help.

    You would be MUCH better off trying an MGI Rate Reducing Buffer. It fixed one of mine that was over-gassed. All my Carbines have an MGI buffer.
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  3. #33
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    Have you made any of the changes that were already recommended? If not, please get back to us, once you have.

    I would get a FA BCG, the spring that was recommended and an H2 buffer. You may also want to consider just getting another barrel now rather than later.



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  4. #34
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    I could be perceiving the recoil is stronger than it should be. I could probably hit a man sized target during a DT at 25, I am not so sure at 50. I just don't feel like this M4 is correct. I unfortunately do not know anyone who owns an M4. Most of the guys in my area that have AR platforms are running rifle length (varmint) rifles. I agree that what I am explaining seems like something is amiss and things just don't add up.

    After during some more research on the forum, I found out what the gas port should be. You're really going to be confused. I mic'd it three times. The gas port on my bbl is .061."

    I just wish I knew someone with an M4 setup so I could compare. Unfortunately, I live in a very uptight area. You should see the looks I get from my neighbors when they see me loading up to go to the range.

    To answer Iraqgunz' question, I have done the following:

    XP buffer spring (red)
    H3 buffer

    I even made my own H2 to test it out before I used the H3.

    Thanks for all the help guys.

  5. #35
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    If you are in my area, Colorado, you are more than welcome to come to the range with me. I have 16" carbine and mid length, an LMT 10.5" and various SA or FA BCG, carbine through H2 buffers etc.

    We can compare it to mine, then adjust the configuration to see what works best.

    PM if you are handy to Denver, CO.

    Cameron
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  6. #36
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    Is it the muzzle rise, or the actual rearward recoil? I have more trouble with muzzle rise and target retention than I do with recoil, which is why I ask. I think you need a good compensating brake.
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  7. #37
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    Why not just slap on a muzzle brake?

  8. #38
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    Quote Originally Posted by XCRFan View Post
    I could be perceiving the recoil is stronger than it should be. I could probably hit a man sized target during a DT at 25, I am not so sure at 50. I just don't feel like this M4 is correct. I unfortunately do not know anyone who owns an M4. Most of the guys in my area that have AR platforms are running rifle length (varmint) rifles. I agree that what I am explaining seems like something is amiss and things just don't add up.

    After during some more research on the forum, I found out what the gas port should be. You're really going to be confused. I mic'd it three times. The gas port on my bbl is .061."

    I just wish I knew someone with an M4 setup so I could compare. Unfortunately, I live in a very uptight area. You should see the looks I get from my neighbors when they see me loading up to go to the range.

    To answer Iraqgunz' question, I have done the following:

    XP buffer spring (red)
    H3 buffer

    I even made my own H2 to test it out before I used the H3.

    Thanks for all the help guys.


    Just my opinion here....but an H3 seems excessive for a carbine. Usually those are for SBR's and to slow down the cyclic rate for FA's. Recoil is the opposite force of the bullet going forward. The bullet is out of the barrel before the bolt even unlocks. For every action there is an equal and opposite reaction. Recoil comes from the bullet going forward, and the gun going backwards.


    Try some 223 ammo. I can tell a very distinct difference between 223 55GR FMJ and 556 55GR FMJ. A lot more blast and recoil.


    Weight has a lot to do with recoil too. If you are comparing recoil to a varmint gun that is the wrong answer. Just the difference between a gov profile barrel and medium contour is going to be quite a contrast even with the same barrel length.


    You should not need an adjustable gas block to run a simple carbine. If you really do have a gas issue that is a patch not an answer.


    And Im not bashing your gear but I suggest next time you take a step up in quality from BM and Del-Ton. Bravo Co (BCM) just lowered their prices on uppers to just over $400. You will not get a better setup for the money, and if you do the math Im sure you will come out about even than buying a complete gun or piecing on together. If you have the funds Id suggest you try a factory upper from BCM and see how it does for you. If a new factory upper doesnt work you could keep one or the other, and at least recoup most of your money.

  9. #39
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    Quote Originally Posted by Littlelebowski View Post
    Why not just slap on a muzzle brake?
    I am considering it.

  10. #40
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    Quote Originally Posted by Cameron View Post
    If you are in my area, Colorado, you are more than welcome to come to the range with me. I have 16" carbine and mid length, an LMT 10.5" and various SA or FA BCG, carbine through H2 buffers etc.

    We can compare it to mine, then adjust the configuration to see what works best.

    PM if you are handy to Denver, CO.

    Cameron
    Thanks, however, I am in Southeast Virginia. I like CO though. Beautiful country.

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