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Thread: Multi purpose M16

  1. #41
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    Uzi, HK, AK, dont have bolt hold open. So it is not the end of the world, drop 3 tracers in as the last 3 rounds and it should be fine.

  2. #42
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    Quote Originally Posted by yoni View Post
    Cory,

    what is the length of that gun.

    Ammo I have no issues with even using hot ball if the gun will function.
    18" with the stock closed.
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  3. #43
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    Cory

    sorry it has been a long day and I forgot to ask a couple of questions , barrel length and do you have a web page?

  4. #44
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    Barrel is 6 inches....
    PM inbound
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  5. #45
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    Yoni,
    Your PM mailbox is full.....
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  6. #46
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    Quote Originally Posted by Firefly View Post
    A 9mm AR will give you more issues than a 5.56.

    You'll have to put in a new hammer and a magwell block.

    I'd just slap on a carbine or SBR upper, pool up on good mags and call it good. Don't see where a 9mm subgun would really benefit you.

    ETA I would say that umpteen years of Mk. 18s killing people speaks for itself and that unless you have a DOE upper and keep 10 round mags in it...and even then...I don't think a 9mm AR will fit so well in a laptop bag. At least not in a readily deployable manner.

    Plus Colt Magwells are rolled in and you'd be punching pins in and out each time you re-calibered your weapon which will gauge your holes.
    Fullauto Colt M16/9 uses a standard fullauto hammer. Only the semiauto 9mm ARs use a dedicated bobbed 9mm hammer. Stainless steel FCG pins are necessary, as the 9mm is hard on the standard pins, resulting in catastrophic failure of the pins. This can often go unnoticed and result in egging of the FCG pin holes. Most owners of transferable M16s in the US use either the dedicated SS pins or KNS non-rotating pins.

    I personally don't have a 9mm setup for my m16, as I don't care to beat up an expensive transferable lower.

    There was a gent on weapons guild who built himself a one-off mp5 roller lock upper for his m16 lower. It was ingenious, but I can no longer find his posts.
    Last edited by JoshNC; 12-29-15 at 02:04.

  7. #47
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    Here to second Cory.

    After thinking over your situation and the totality of it (kinda wild west it seems)...

    Really I'd get as many Colt mags as possible to test and consider it to be a 9mm gun 95% of the time. IIRC 25 rounders are still out there. That'd be my toting mag and keep the long stick 32s in the bag.

    The Colt SMG really only likes NATO spec 9mm 124 FMJ. This is my personal experience with the 10.5. It is often eschewed for a better caliber or better smg (HK). Hollowpoints are way hit and miss. Even the Colt Armorer instructor stressed that.

    Not versed on the PDW stock or mod required but a DOE length upper and Law Dog could work understanding the limitations and precautions.

    The hammer and buffer will make and break it. Literally. The blowback system can be pretty rough on the AR configuration.

    Good luck with it and everything else it seems. I glean that you are seeing this as a "make do" piece. Fully understanding that, I would try to get the Colt block.

  8. #48
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    Josh excellent point on the pins.
    One I overlooked.

    As per M16 hammer, I was told they work but while I don't have my manual on hand, was also told the newer gen SMGs (which colt begrudgingly churns out, from what I was told by instructor) did have an updated 9mm hammer that was for auto sear use. Don't have part no. off hand. ETA: reviewing my class notes it actually was an updated SS hammer pin, not M16 hammer, but to use the dedicated 9mm hammer if removing select fire ability from the lower. Apologies for any confusion. Disclosure: I haven't had access to a Colt SMG for a spell as they were DXed for just 5.56. Don't miss the SMG anyways

    By and large I was there for 5.56 armorer instruction and the 9mm was touched on, but actual use as an SMG left me unimpressed beyond "at least it FEELS like an AR"

    Probably haven't ever ran it as hard as a Marine FAST outfit but they said more than once it's the one weapon in their catalog that will give you issues
    Last edited by Firefly; 12-29-15 at 02:56.

  9. #49
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    Sir,
    Consider contacting John Norrell. He is a noted gunsmith in Arkansas, USA. He developed a 9mm conversion block that uses cams instead of pins.

    I have no experience with this product but thought it might provide a solution to your need for temporarily converting a 5.56 to 9mm.

    John Norrell Arms
    2608 Grist Mill Road
    Little Rock, AR 72227
    E-mail: SMG1022@aol.com

    See Article link from Small Arms Review

    http://www.smallarmsoftheworld.com/d...darticles=3168


    Excerpt from the article:

    "SAR: Tell me about the suppressed Colt 9MM.

    John: The Colt Model 6450 9MM carbines was introduced by Colt in late 1985 or early 1986. So there weren’t many registered as machine guns before the May 19th cut-off. I had a large stock of AR-15 drop-in auto sears at that time and the Colt 9mm weapon converted very well. I looked at several other’s efforts in producing a suppressor under the rifle forearms. All of the ones I saw looked like the barrels were cut to 5” or so and then a suppressor tube place on the barrel with baffles. The AR-15 front sight was cut and welded to the tube or simply did not have a front sight. I felt that this design could be improved upon, so I built a two piece suppressor that couples together around the front sight, leaving the barrel the full 10 inches. I port the barrel so that high velocity bullets exit the suppressor 1050 feet per second, so it’s subsonic. It is equivalent in sound to an MP5 SD. You don’t have to worry about the front sight alignment or having some unattractive welding of the sight onto the tube. It is easy to clean, quiet, doesn’t affect accuracy, and allows the use of standard supersonic ammo,.

    Later on, I developed a mechanism for the AR-15 9MM magazine well blocks to prevent holes from being drilled to mount the blocks in the receiver. I designed a cam mechanism that I put into each 9MM block, which would expand and lock itself in.

    I also worked for several years on the four position M16 selector. Colt prototyped some of these back in the ‘60’s, but they didn’t go over then. There were several early attempts by other manufacturers to produce a four position kit for the M16, but none of these kits were of high quality or functioned well. I started building my own cams, including 2 shot, 3 shot and 6 shot cams, hammers and disconnectors. I no longer produce the burst kits but I did design and market a kit that will allow select fire with the SWD auto disconnector (lightning link)."

    Good luck
    RFA
    Last edited by Ready.Fire.Aim; 12-31-15 at 10:07.
    "Jill, if there's ever a problem, just walk out on the balcony ... take that double-barrel shotgun and fire two blasts outside the house,.." VP Joe Biden Feb 19, 2013

  10. #50
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    RFA

    thanks I will contact him in the next few weeks.

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