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Thread: LMT Enhanced BCG as a Spare? And the Benefits of a Carbine Gas AR

  1. #21
    Join Date
    Feb 2008
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    I just got this in an email from LMT.

    Question: "Is the Enhanced carrier still only recommended for use in 14.5" and 16" barrels with carbine gas systems? Has anything about the Enhanced carrier's design been changed to make it usable with other barrel lengths with different gas systems?"

    Answer: "The enhanced carrier will work on all the 5.56 direct gas barrel lengths we sell."
    Last edited by 556Cliff; 12-15-15 at 10:52.

  2. #22
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    Interesting, I just checked and the only specification listed was that it was


    *For usage with full-automatic rifles.

    http://www.lmtstore.com/parts/bolts-...ier-group.html

    plus the conversation I had on the phone

    good to know

    * I was also surprised that it looks like none of the complete guns ship with it, and they (almost?) all come with the regular semi auto bcg
    Last edited by JG007; 12-15-15 at 12:06. Reason: add

  3. #23
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    Something must have changed but there is no difference in vent hole size or location on any of my 4 LMT Enhanced carriers purchased between 2011/2015.

  4. #24
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    Out of the box, a LMT enhanced carrier has always been more durable for the bolt. It may not have been more reliable in operation. Using that carrier in an unkown combination of uppers can reduce reliability in systems that have a higher carrier speed. In the balance of porting and reciprocating mass, a more reliable system keeps the carrier speeds in check. The basically small delay in timing can make a large difference in function. A delay in time allows a reduced amount of work, that can increase speeds and hurt reliability. As long as the carrier does not overspeed, it does tend to be more reliable.
    It is very possible to make a carbine action/carbine gas combo that works well with the LMT carrier with less bolt stress/strain issues. It is also very possible to use the LMT enhanced carrier with longer gas systems and rifle like action systems for a further reduction in issues.

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