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Thread: Which Bolt Carrier?

  1. #11
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    I don't know the weight of the aluminum JP carrier. The Young Mfg skeletonized one is 8.60oz, not really much (at all) lighter than my 1/2 circle unshrouded Colt carrier.
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  2. #12
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    interesting weights. thanks for the info.


    i'd love to see a sticky with weights of all the popular AR parts. It took a ton of research when I was building my lightweight (around four and a half pounds) into stocks, fore-ends, barrels, etc.

  3. #13
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    Quote Originally Posted by taliv View Post
    interesting weights. thanks for the info.


    i'd love to see a sticky with weights of all the popular AR parts. It took a ton of research when I was building my lightweight (around four and a half pounds) into stocks, fore-ends, barrels, etc.
    I think the Maryland AR15 Users group on Yahoo has a chart of different weights of stuff. If you need me to weigh something that you cannot other wise find just let me know.
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  4. #14
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    Not to hi-jack this thread........

    but does anyone know where I could buy a Colt complete bolt and firing pin?

  5. #15
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    Quote Originally Posted by Kalash View Post
    Not to hi-jack this thread........

    but does anyone know where I could buy a Colt complete bolt and firing pin?
    www.specializedarmament.com aka SAW (Ken Elmore).
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  6. #16
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    thanks gotm4!

    actually, the only piece of my lightweight build i didn't get a chance to weigh was the stock i purchased, which was the ace socom, but the ace website lists it as 16.5 oz. (the interesting thing here is that if i had gone with a standard M4 stock, which I believe to be 10.8 oz, the total weight of my AR15 would be 4 lb 4 oz including aimpoint and a pmag!)

    i would return the favor, as i am using the aluminum JP LMOS carrier you're missing in the chart, but I don't have a scale to weigh it.

  7. #17
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    Quote Originally Posted by taliv View Post
    thanks gotm4!

    actually, the only piece of my lightweight build i didn't get a chance to weigh was the stock i purchased, which was the ace socom, but the ace website lists it as 16.5 oz. (the interesting thing here is that if i had gone with a standard M4 stock, which I believe to be 10.8 oz, the total weight of my AR15 would be 4 lb 4 oz including aimpoint and a pmag!)

    i would return the favor, as i am using the aluminum JP LMOS carrier you're missing in the chart, but I don't have a scale to weigh it.
    Damn if you go with a T1 Aimpoint in a LaRue mount and a CTR stock w/o pad you could shave a little more weight too. The T1 w/LaRue is like 5oz.

    I just found the aluminum JP carrier and it's 3.75oz but JP highly recommends their adjustable gas block and JP lighter hammer and spring. I use a full power gas block and Geissele trigger (which hammer hits harder than stock) so I'll likely go w/stainless LMOS JP. I figure it's a just little more than 2oz lighter but I can just run a Wolff XP extractor spring and a Crane O-ring and possibly Wolff XP mag springs in PMAGs and keep it running well.

    Here's a list of stock weights I've measured:

    CTR stock 7.56oz
    CTR stock w/rubber pad 8.79oz
    VLTOR stock non-clubfoot 7.76oz
    VLTOR E-MOD 13.81oz
    LMT M4 stock 6.80oz
    LMT SOPMOD stock 11.05oz
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  8. #18
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    yeah, that weight is with the micro T1 and larue. i have an adjustable gas block, but not the JP. I found a much lower-profile one. I went with the JP single stage trigger and light hammer too. I like the geissele, but i bought mine in early autumn before the single-stage geisseles were out (actually, i'm not sure they're out yet)

    the LMOS carrier doesn't come with a bolt though, you know. the bolt I'm using is a standard MPI'd one with extractor upgrade. I consider the LMOS carrier a "wear part", but educate me if there's an issue with it and the extractor parts you mentioned.

  9. #19
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    If you start to have extraction problems like it leaving the empty in the chamber or releasing the empty too early which won't eject and or tries to feed a live round and an empty is still in the upper. If that happens upgrade to a Crane O-ring and/or a Wolff XP M4 extractor spring.
    Chief Armorer for Elite Shooting Sports in Manassas VA
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  10. #20
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    what's the benefit of a super light carrier?
    other than reducing overall gun weight i mean.
    the AR is already one of the lightest rifles in it's class....

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