

Posted: 12/12/2013 8:01:46 AM EDT
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It looks like a nice upper, but I doubt its from a "Colt M16".
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That's also not a knights rail. Those are Knights rail covers but I've never seen that barrel nut on a Knights rail.
ETA: What store, those cases look framiliar
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It's a 6933 upper with a different type of muzzle. However the Colt Commando has a 11.5" barrel. They're very hard to find.
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Is it a "C" marked upper? "C" marked carrier? MP marked bolt? "F" marked front sight?
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Is that flash hider pinned?
Maybe it's the perspective of the picture but that barrel looks kinda short. Is that charging handle a BCM/Gunfighter ? |
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Description also listed it as a Troy FH. Not sure if it is pinned or not.
I was also suspect on the barrel nut. So, 6933 upper with a rail that isn't a KAC? He said it was free floated... |
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Quoted:
11.5 SBR/M16 Upper Badger charging handle View Quote View All Quotes View All Quotes Quoted:
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Is that flash hider pinned? Maybe it's the perspective of the picture but that barrel looks kinda short. Is that charging handle a BCM/Gunfighter ? Badger charging handle Yea, I see he Badger now that I actually took 10 seconds to look at it. ![]() |
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It is definitely a Knights Armament Rail. It's an Knight's Armament RAS
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No. This is a RAS http://www.knightarmco.com/shop/images/m4_carbine_ras_98064_pic.jpg As I stated, those are Knights rail covers, that is it. View Quote View All Quotes View All Quotes Quoted:
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It is definitely a Knights Armament Rail. It's an RAS This is a RAS http://www.knightarmco.com/shop/images/m4_carbine_ras_98064_pic.jpg As I stated, those are Knights rail covers, that is it. No, that is a Knight's RIS |
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Knight's RIS is a drop in rail system. Knights RAS is a free float system or drop in system.
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Quoted: Quoted: Quoted: It is definitely a Knights Armament Rail. It's an RAS This is a RAS http://www.knightarmco.com/shop/images/m4_carbine_ras_98064_pic.jpg As I stated, those are Knights rail covers, that is it. No, that is a Knight's RIS |
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I don't know what you guys are talking about with that not being a KAC rail.
I had that exact KAC rail on a 9mm SBR upper. |
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Looks like this is the winner. http://www.thewarstore.org/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/b/0/b0f05001aea74e2298f1e21c4409cfe3.image.733x550.jpg View Quote View All Quotes View All Quotes Quoted:
Looks like this is the winner. http://www.thewarstore.org/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/b/0/b0f05001aea74e2298f1e21c4409cfe3.image.733x550.jpg I have one on a carbine I had built by a well known industry guy that was very popular on here about 10 years ago. They were pretty state of the art then as there really wasn't much available free float and railed at the time. It still works just fine, as do all of my none free float versions. ![]() |
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If the price is over $400, I'd pass.
There is a reason he is selling it... |
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OP, you need to answer this question... View Quote View All Quotes View All Quotes Quoted:
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Is it a "C" marked upper? "C" marked carrier? MP marked bolt? "F" marked front sight? OP, you need to answer this question... Where on the upper should I look? Assuming it is legit, what should it be worth? |
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I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. View Quote View All Quotes View All Quotes Quoted:
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Any markings on the bolt or actual upper receiver? I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. ![]() You need to calm down and take a step back. This isn't the deal of the century until you verify exactly what it is. Used gunshop uppers are usually mixmaster junk. |
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Looks like this is the winner. http://www.thewarstore.org/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/b/0/b0f05001aea74e2298f1e21c4409cfe3.image.733x550.jpg View Quote View All Quotes View All Quotes Quoted:
Looks like this is the winner. http://www.thewarstore.org/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/b/0/b0f05001aea74e2298f1e21c4409cfe3.image.733x550.jpg The second link in this quote is NOT a KAC Rail. Confused yet? ![]() |
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Without seeing the casting marks on the receiver or the stampings of the barrel, you can't really tell if it's genuine Colt.
It has a KAC (or Chinese copy) free float tube, Troy muzzle break and Magpul (or Chinese copy) rear BUIS. Also has some aftermarket tac-latch on the charging handle. ETA: The Knight's rail covers could be Chinese copies also. Everything is likely authentic gear, but the copies are getting hard to tell nowadays. |
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Looks like a mix master. The only thing about it coming off a F/A gun is that the barrel might be shot to shit.
PASS |
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![]() You need to calm down and take a step back. This isn't the deal of the century until you verify exactly what it is. Used gunshop uppers are usually mixmaster junk. View Quote View All Quotes View All Quotes Quoted:
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Any markings on the bolt or actual upper receiver? I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. ![]() You need to calm down and take a step back. This isn't the deal of the century until you verify exactly what it is. Used gunshop uppers are usually mixmaster junk. I am not chomping at the bits to buy it. Why is it funny that it could have been mated to a FA lower? The second set of info from him said it was from the mid-80s and has about a 3k round count. He is asking $400. After hearing the age and round count I am not really interested. |
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Is there a c stamp near the upper forge code? What are the barrel markings?
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If it was originally from the mid 80s it wouldn't have a flat top. It is probably a replacement upper and not a Colt. What twist is the barrel?
It is sounding more and more like something you should pass up on. |
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I am not chomping at the bits to buy it. Why is it funny that it could have been mated to a FA lower? The second set of info from him said it was from the mid-80s and has about a 3k round count. He is asking $400. After hearing the age and round count I am not really interested. View Quote Impossible. That upper is most certainly NOT from the mid 80's. The barrel maybe, but the upper, no way jose. It's funny that he says it was on a full auto lower because it sounds like typical tactical shmacktical gunshop garbage. If it really was on an auto lower, then no way would I want that barrel. Also, the whole "3,000rds" is pure BS. I'd bet that if you gauged the barrel you would find that it is shot out. One more thing, the barrel was probably cut down from something else, it doesn't look right. Pass on that, and never again trust that particular gunshop. |
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I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. View Quote View All Quotes View All Quotes Quoted:
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Any markings on the bolt or actual upper receiver? I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. Yeah it could make a difference on barrel wear ![]() |
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Impossible. That upper is most certainly NOT from the mid 80's. The barrel maybe, but the upper, no way jose. It's funny that he says it was on a full auto lower because it sounds like typical tactical shmacktical gunshop garbage. If it really was on an auto lower, then no way would I want that barrel. Also, the whole "3,000rds" is pure BS. I'd bet that if you gauged the barrel you would find that it is shot out. One more thing, the barrel was probably cut down from something else, it doesn't look right. Pass on that, and never again trust that particular gunshop. View Quote View All Quotes View All Quotes Quoted:
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I am not chomping at the bits to buy it. Why is it funny that it could have been mated to a FA lower? The second set of info from him said it was from the mid-80s and has about a 3k round count. He is asking $400. After hearing the age and round count I am not really interested. Impossible. That upper is most certainly NOT from the mid 80's. The barrel maybe, but the upper, no way jose. It's funny that he says it was on a full auto lower because it sounds like typical tactical shmacktical gunshop garbage. If it really was on an auto lower, then no way would I want that barrel. Also, the whole "3,000rds" is pure BS. I'd bet that if you gauged the barrel you would find that it is shot out. One more thing, the barrel was probably cut down from something else, it doesn't look right. Pass on that, and never again trust that particular gunshop. The barrel kind of reminds me of the old NESARD, Model 1, etc gunshow specials that were common in the 80s/early 90s. They frequently came with roll pins instead of taper pins in the front sight base. |
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Pic of the front sight base: https://scontent-a.xx.fbcdn.net/hphotos-frc3/1471180_238155276351948_289886214_n.jpg View Quote The finish on the barrel and FSB doesn't look Colt to me. |
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Quoted: I am not chomping at the bits to buy it. Why is it funny that it could have been mated to a FA lower? The second set of info from him said it was from the mid-80s and has about a 3k round count. He is asking $400. After hearing the age and round count I am not really interested. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Any markings on the bolt or actual upper receiver? I have not seen it in person yet. What do I need t look for. He said the gun was originally fully auto. If that makes a difference. ![]() You need to calm down and take a step back. This isn't the deal of the century until you verify exactly what it is. Used gunshop uppers are usually mixmaster junk. I am not chomping at the bits to buy it. Why is it funny that it could have been mated to a FA lower? The second set of info from him said it was from the mid-80s and has about a 3k round count. He is asking $400. After hearing the age and round count I am not really interested. |
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I guess it depends on how old it is but: 1) A Colt upper should have a C stamped or forge code near the supplier's forge code. I have seen where someone posted a pic of an older flat top upper with a C stamped in the channel for the charging handle. There should also be "M4" stamped above the hole for the gas tube. 2) Colt uppers have used a black dust cover spring for a while now, that one is silver 3) Colt shaves the bayonet lug on their 11.5 barrels, that barrel's is intact 4) there will be a "0" stamp near the chamber and a date stamp near the FSB, not sure of other markings a short Colt barrel 5) the FSB will be F marked on the left side 6) forward assist, at least on newer Colt uppers, should have a hole and roll pin visible; that one does not 7) BCG should be stamped C on the carrier and MP C on the bolt 8) 6933 barrels appear to be pencil profile, .625 under the FSB; that one looks .75 under the FSB
I believe brand new take off 6933 uppers where ~$800. I don't think I'd pay $650 for a questionable, possibly put together upper, with god knows how many rounds through it if it was on a M16, upper. You could build new one for that. And is that rust near the FSB? |
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just so long as OP knows he can't legally put it on top of just any old lower
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