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Thread: M16A2's with M4 Stocks?

  1. #31
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  2. #32
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    Quote Originally Posted by DMR View Post
    Guys I'll post the NSN latter. The "Collapsible Stock Kits" are AAL now for the M16A2/A4. You can order them and have them installed by you direct support maintenance unit/BSB. BSN pricing is around $100 for the whole kit.

    The kit is basicly a M-4 receiver extension and stock, carbine buffer spring and a "H-6" buffer. They are not VLTOR A5's. I believe that they are also authorized for branches other than the Army, but I'm not posative.
    If you or anyone one else has specifications on the H-6 buffer, please post them. I am very interested.

    Thanks.

    Joe Mamma
    "Reliability above all else"
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  3. #33
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    Quote Originally Posted by Joe Mamma View Post
    If you or anyone one else has specifications on the H-6 buffer, please post them. I am very interested.

    Thanks.

    Joe Mamma
    Me too. I'm intrigued as to how it's different from a normal carbine buffer on the inside...since it sounds like it's identical size-wise.

    I suppose the size of the internal weights was altered to allow for more tungsten-steel combinations...maybe giving finer control over the total weight of the buffer? I'm staying tuned.....

  4. #34
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    I carried an M16A2 with the standard style M4 collapsible stock for Basic Training. I did not remember any sort of markings on the buffer. I would have definitely noticed if there was some sort of "H" marking on it. As far as my eye could tell, it *looked* like a regular carbine buffer.

    In terms of reliability, in all of BCT (maybe 200 live rounds and a couple blanks) I only had one double-feed.

    The configuration certainly worked--I collapsed the stock all the way for vehicles and MOUT, but extended it all the way for longer range marksmanship. If you can save space and still retain rifle-length ballistics, I don't see why it's a bad thing.
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  5. #35
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    Quote Originally Posted by ICANHITHIMMAN View Post
    It looks bad Is what I was getting at. I remember a guy in Astan who did that to his A2 and it just looked so bad. I suppose it has its purpose for the guys of smaller stature but god it looks bad.
    form over function much?.... who cares what it looks like as long as it does its desired mission... the B-52 may be known as the BUFF but its done the job for 60 years...

    I'm just wondering why it has taken until now for this type of change to occur... makes no sense to have Marines short stocking to clear a building when this system provides a compromise...
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  6. #36
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    From another tread on LF:
    Originally posted by Armtech:
    The M16 Series Rifle Sliding Buttstock Conversion Kit consists of all standard M4/M4A1 NSN parts EXCEPT for the H6 Buffer Assembly. The H6 Buffer Assembly contains "6" tungsten buffer weights. The buffer body also has a different part number, but I think that is only because it has an H6 marking.
    Originally posted by Armtech:
    Robert, No problem. I found some more info while keeping my desk chair from floating away...

    The H6 Buffer weighs the same as the standard M16A2 Buffer (0.32 lbs.). For those with DTIC access https://www.dtic.mil/DOAC/home.search, there are a few test reports that discuss this configuration. Do a search for "m16 upper hybrid." The Endurance and Temperature Test results document nearly 200,000 rounds fired.
    For the LOGI's:
    1005-01-569-6938 Stock Gun (Collapsible for M16A2/A4) $117
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    Last edited by DMR; 10-22-11 at 21:18.
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  7. #37
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    Quote Originally Posted by steelonsteel View Post
    So if a rifle buffe ris over 5 oz., and you went to a carbine length buffer system, wouldn;t you probably want to run a H3? I believe the Canadians run an H2 in this configuration? Would the rifle system, being longer, generate more pressure or less pressure?
    The rate on the carbine spring is different.
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  8. #38
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    I would hope these are the proper kits installed onto these weapons, and not someone just grabbing parts to give it a carbine stock.
    Stick


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  9. #39
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    Stick,

    These have been approved for about a year, although not widely disseminated. I'm also pretty sure the vendors have not released them commercially. I've seen several locally and if the are in use at a Basic training site you can almost bet they are the NSN approved parts.
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  10. #40
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    Here is some speculation on the H6 buffer.

    Here's a reference picture that needs no introduction.


    By all reports, the H6 is just like a normal carbine buffer, except stead of 3 weights, there are 6 shorter weights, for a total rating of "H2.5".

    This would allow 6 rubber bumpers, instead of three.

    Note, the rifle buffer has 5 weights and 5 bumpers.

    There must be some damping/bolt bounce benefit of having the extra bumpers to go along with the extra weight.

    Probably smooths things out.

    If so, this H6 buffer may be the one to have if sticking with the CAR length tube vs the longer A5.
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