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Thread: M4 Carbine Recoil too strong

  1. #11
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    So I should consider buying the JP enterprises adjustable gas block? Obviously controlling the amount of gas entering the action will control the recoil. So that may be the best approach if the XP spring doesn't work.

    I just ordered the red XP spring from tacticalsprings.com (with the bolt extractor spring upgrade combo) this morning.

    I will update in a week or so, once I get to the range and test out the XP spring. I really hope this will fix the issue. I do not want to spend any more money on it than I have to.

    In the immortal words of the Zen Master, "we'll see!"

  2. #12
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    Quote Originally Posted by XCRFan View Post
    So I should consider buying the JP enterprises adjustable gas block? Obviously controlling the amount of gas entering the action will control the recoil. So that may be the best approach if the XP spring doesn't work.

    I just ordered the red XP spring from tacticalsprings.com (with the bolt extractor spring upgrade combo) this morning.

    I will update in a week or so, once I get to the range and test out the XP spring. I really hope this will fix the issue. I do not want to spend any more money on it than I have to.

    In the immortal words of the Zen Master, "we'll see!"

    Recoil is the opposite action of the bullet going forward. By the time the bolt even unlocks the bullet is well out of the barrel.

    A muzzle brake or weight is a far better recoil reducer than springs and buffers.

  3. #13
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    If you are going to change barrels I wouldn't change a thing until you get a new barrel make sure it is a a milspec barrel with the correct gas port diameter.
    If you decide not to change the barrel and it is over gassed [ gas port to large ].
    Me personally I don't think putting in a XP spring is going to fix your problem.
    My suggestion will be controversial to some but it will address the over gas issue better than any other way in my opinion. Its the LMT enhanced carrier it is designed for over gassed carbines with 14.5'' and 16'' barrels it bleeds of excess gas and has a different cam pin path to allow delayed unlocking of the bolt. I run one in my LMT btw LMT runs the correct gas port dia small. I have just over 2000 rounds through my carbine and it has worked has advertised for me.

  4. #14
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    In all seriousness though. Recoil shouldn't be a a real issue here. There has got to be something that we aren't seeing. I would replace the barrel possibly....not sure.

    By the way what is a DTI barrel?



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  5. #15
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    Quote Originally Posted by Iraqgunz View Post
    In all seriousness though. Recoil shouldn't be a a real issue here. There has got to be something that we aren't seeing. I would replace the barrel possibly....not sure.

    By the way what is a DTI barrel?
    I am guessing DEL-TON for dti barrel
    The barrel would most likely have an oversized gas port and questionable chamber.

  6. #16
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    That's where I was going.

    Quote Originally Posted by Thomas M-4 View Post
    I am guessing DEL-TON for dti barrel
    The barrel would most likely have an oversized gas port and questionable chamber.



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  7. #17
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    If you are going to buy a new barrel soon anyway then why not start there. No sense buying a lot of parts you may not need.
    Last edited by 5pins; 10-25-09 at 16:12.

  8. #18
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    Is Del-ton (DTI) crap? Why would their gas ports be oversized, particularly on carbine length gas systems? I am thinking the gas port is too large. I am planning on buying a 10.3 by DD but that will not be for a while. As the barrel is about $300+ and then I have to do the NFA crap. So that is a $500+ barrel change.

    In the mean time, I am thinking I need to buy the adjustable gas block by JP Enterprises. That is only about $80.

  9. #19
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    I had a DTI lightweight 16" barrel, and it functioned well for the 400 or so rounds I had. I liked the profile, which was maybe .700 to the GB, then .600 or so to the muzzle.

    However don't let that detract you from moving forward on getting a quality barrel, the length you want.

    I'd recommend getting the new enhanced Magpul buttpad for your CTR. It is great!

    +1 for "I'll bet you don't notice much difference between the SA and FA carriers."

    +1 for "you need a brake," at least a FSC556.
    "Men speak of natural rights, but I challenge any one to show where in nature any rights existed or were recognized until there was established for their declaration and protection a duly promulgated body of corresponding laws." --Calvin Coolidge

  10. #20
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    Knock yourself out. The suggestions have been made and I would try them first and see what happens.

    Quote Originally Posted by XCRFan View Post
    Is Del-ton (DTI) crap? Why would their gas ports be oversized, particularly on carbine length gas systems? I am thinking the gas port is too large. I am planning on buying a 10.3 by DD but that will not be for a while. As the barrel is about $300+ and then I have to do the NFA crap. So that is a $500+ barrel change.

    In the mean time, I am thinking I need to buy the adjustable gas block by JP Enterprises. That is only about $80.



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

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