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Thread: Question for those running LMT E-Carriers

  1. #21
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    Quote Originally Posted by EzGoingKev View Post
    My friend had an issue with the enhanced bolt carrier and some brand new Rainier branded bolts. The bolts would not install into the carrier.

    His used Bushmaster bolt went right in and worked without any issues.
    I think we're discovering who holds tolerances better than others.

    Never had an issue with any LMT, BCM, colt, spikes, DD, or Noveske bolt.
    "That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892

    "The body cannot go where the mind has not already been."

  2. #22
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    Quote Originally Posted by BufordTJustice View Post
    I think we're discovering who holds tolerances better than others.
    I think so too.

    I did not have any issues with my Colt, Spikes, or ARP's Superbolt.

  3. #23
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    I had a Gen 5 F/A carrier that worked just fine with a Noveske bolt from 2012 (CMT?). I then wanted to swap it into an upper that I started shooting with a WMD BCG. The WMD bolt would not fit in the carrier but I didn't try to smash it in there either.

    I pulled out a spare BCM bolt and it went right in.

    I have another LMT S/A carrier (Thanks Kev!), Gen 3/4 I think, laying around. I will try that WMD bolt as well as whatever spares I have laying around.

    As an aside, like the Vltor A5, I am trying to think of a reason why I shouldn't run these carriers in EVERYTHING! Gonna slowly try to buy the used ones when they show up.

  4. #24
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    The "idea" of running an LMT enhanced carrier with the A5 for everything looks appealing until you look at the practicality of some things.
    The LMT enhanced carrier does not work with all BE's without modification. I do not believe that the cam path is ideal, but it may just be the best item commercially available. This carrier requires less work to function than a standard M16 carrier, but the carrier still has the same work applied to it to operate the system, same as basically over gassing it.
    The addition of the A5 can work much in the same way with a delay in time, and reducing required work for operation. Basically saying that the enhanced carrier time delay and the A5 time delay reduce required work in the system. They are not really additive to each other, but there can be an increase in delay with both. Just depends on circumstances for use.
    When a barrel is gassed pretty heavy, it is easy to use the enhanced carrier with the heaviest A5 buffer and have function without a can. That situation may work well in without a can, but what happens when a can may be involved?
    With a can involved, the above scenario can be pretty over gassed. In the over gassed ones, you didn't gain much with that carrier and/or action, if any at all.
    To keep it simple, an example could be a more mildly gassed barrel that will run the enhanced carrier with the A5H2 well with no can and 5.56 ammo. A lighter than A5H2 buffer could be used with lower port pressure ammo and no can. Also when a possible can is added with different ammo with their own attributes, it gives a cushion to use up to the A5H4 for best function. This system has the ability to give more overall use than a non suppressed combo that requires the maximum mass, or a possible (rare as it is) suppressed only combo that requires the minimum mass.
    A simple buffer swap can increase the capability very well. It may not be needed for all things, but it is very nice to have the option available to help make the system as optimal as possible for function.
    I know more than a few that use this method. It's easier than it sounds, normally just 1 pair of buffers in a range bag for serious use, possibly another bag with a pair of buffers for guys that run lower port pressure stuff with some sort of markings.

  5. #25
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    I wish I could just throw a rock and hit a "mildly gassed" barrel to purchase. Easier said than done if you don't want to run and adj. block, which a lot of people don't.


    Sent from my iPhone using Tapatalk

  6. #26
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    Quote Originally Posted by tom12.7 View Post
    The "idea" of running an LMT enhanced carrier with the A5 for everything looks appealing until you look at the practicality of some things.
    Make sure you look at the "practicality of some things" and not all the threads of people successfully running that combo with success.

  7. #27
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    It's not that hard to do, every manufacturer doesn't gas everything so hard. Besides, it's not too difficult to cut down a barrel for a given gas system length to get you there.
    Options are out there.

  8. #28
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    Quote Originally Posted by EzGoingKev View Post
    Make sure you look at the "practicality of some things" and not all the threads of people successfully running that combo with success.

    That combo can and does work well, you can't just automatically add those parts to any combination and expect the preferred results.

  9. #29
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    Maybe an alternative would be to look at some different 5.56 11.5" varieties. When using the LMT enhanced carrier with the A5H2 with a Colt rifle action spring. You can come up with a barrel porting that works well with much smaller porting than what Colt offers with the standard M16 carrier and with the H2/H3 carbine buffer and Colt carbine action spring for their 11.5 5.56 ARs. What could be preferable? What happens when a can is involved? Compare and contrast some of those items. Excess applied gas is not needed, getting to that goal is not monumental.

  10. #30
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    One thing to think about - these rifles were designed to be combat rifles. There are a lot of variables in combat, including how dirty your rifle might get. Some of the "over gassing" might be by design from some manufacturers to keep the rifle running in a large range of conditions.

    A freshly cleaned and lubed SHTF rifle might behave a little differently when it has actually hit some shit.

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