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Posted: 10/14/2004 8:42:55 PM EDT
[Last Edit: 10/14/2004 8:43:07 PM EDT by JLM]
Just taking a quick poll. Is yours marked MP or not?

Link Posted: 10/14/2004 10:05:54 PM EDT
LMT 16" M4 barrel, marked "5.56 NATO 1/7 CB". My barrel is not stamped "MP".

My coworker's barrel is stamped just like mine.
Link Posted: 10/14/2004 10:24:45 PM EDT
I wonder why the 14.5's are stamped, and the 16's are not. Hrmmmm....

Link Posted: 10/14/2004 10:35:31 PM EDT
[Last Edit: 10/14/2004 10:35:56 PM EDT by Duke_of_Lawnchair]
I wondered the same thing and that is why I contacted LMT.

My correspondent told me that all of their 14.5" and 16" barrels were MP.

What have you seen in regards to their barrel stampings?

Something's a little fishy.
Link Posted: 10/15/2004 7:57:39 AM EDT
bump

Link Posted: 10/15/2004 9:54:01 AM EDT
[Last Edit: 10/23/2004 8:56:35 AM EDT by Oilhead]
MP 5.56 NATO 1/7 CB

Link Posted: 10/15/2004 10:13:39 AM EDT
Oilhead,

Is your LMT barrel a 16" tube?

Jim
Link Posted: 10/15/2004 12:35:26 PM EDT
[Last Edit: 10/15/2004 12:36:48 PM EDT by Oilhead]
14.5

... with vortex
Link Posted: 10/15/2004 6:29:11 PM EDT
My 16" complete upper direct from LMT is 5.56 NATO 1/7 CB
Link Posted: 10/15/2004 6:30:29 PM EDT
CB= Chrom Bore
MP= ?
Link Posted: 10/15/2004 6:50:21 PM EDT
MP 5.56 NATO
1/7 CB


its a 14.5"
Link Posted: 10/16/2004 12:52:50 AM EDT
16's aren't marked it looks like, and 14.5's ARE.

I'm convinced now that they are ALL inspected, I just don't get why they don't mark them.

Or, do they even make their own barrels? If the answer is no, then maybe they come
from two different sources.

Link Posted: 10/16/2004 12:56:06 AM EDT

Originally Posted By gsd2053:
CB= Chrom Bore
MP= ?



Magnetice Particle inspected.
Link Posted: 10/16/2004 3:33:45 AM EDT
5.56 NATO
1/7 CB
Link Posted: 10/16/2004 11:48:18 AM EDT
MP 5.56 NATO 1/7 CB, 14.5" also.
Link Posted: 10/16/2004 12:54:24 PM EDT
Link Posted: 10/16/2004 9:10:25 PM EDT
I don't get why one length IS marked and the other one isn't. Makes no sense.

Link Posted: 10/16/2004 9:33:22 PM EDT
JLM,

Check your IM's.

-Jim
Link Posted: 10/16/2004 10:35:58 PM EDT
Jim, checked, I don't see anything thou?

Link Posted: 10/16/2004 10:39:50 PM EDT
JLM,

Hmmmmmmm, I suspected that.

I was wondering if Grant got back to you about your question regarding MP, etc..

-Jim
Link Posted: 10/16/2004 10:50:44 PM EDT
Jim, yes he did. Karl Lewis says everything is MP. I haven't got any answer
from anyone thou on the issue of marking or not marking, and the rationale
for doing so (or not).

Email me or something man. Take it easy.

Link Posted: 10/20/2004 9:47:48 PM EDT
I have a 14.5' barrel I just received today and it is NOT marked MP.....I hope I didn't get a "lower speced" barrel or something.
Link Posted: 10/21/2004 12:19:35 AM EDT
Link Posted: 10/21/2004 4:34:19 AM EDT
[Last Edit: 10/21/2004 5:39:54 AM EDT by CAR-AR-M16]

Originally Posted By Combat_Jack:

Originally Posted By gsd2053:
CB= Chrom Bore
MP= ?



Magnetice Particle inspected.



IIRC the M = Magnetic particle inspected and the P = Proof load fired.

My LMT 14.5" barrel is stamped "MP 5.56 NATO 1/7 CB"
Link Posted: 10/21/2004 4:37:34 AM EDT
Mine is stamped: MP 5.56 NATO 1/7 CB
Link Posted: 10/21/2004 5:48:23 AM EDT
[Last Edit: 10/21/2004 5:49:50 AM EDT by hysperion]
not sure if proof load fired simply means it was test fired because I have the upper receiver tag that says it was test fired but it isn't stamped MP.... and what's CB stand for? Chrome barrel? Chrome Bore?
Link Posted: 10/21/2004 5:52:37 AM EDT

Originally Posted By hysperion:
not sure if proof load fired simply means it was test fired because I have the upper receiver tag that says it was test fired but it isn't stamped MP.... and what's CB stand for? Chrome barrel? Chrome Bore?



CB = Chrome Bore
Link Posted: 10/21/2004 6:08:41 AM EDT
Hysperion,

Suggestion: Call LMT, and ask for Chip Witt for clarification.

Link Posted: 10/21/2004 1:32:58 PM EDT
New LMT 14.5 upper, inspected 8-10-04, is marked "5.56 NATO 1/7 CB" . So, LMT, is this MP tested or not? Are all LMT barrels MP tested, thus no need to MP mark them, or are some and some aren't?
Link Posted: 10/21/2004 3:35:15 PM EDT
My question exactly....tomorrow I'll probably give this guy from lmt a call that the above poster mentioned and find out their take on it. Lets hope they are all MP tested even though I have no clue how important that really is
Link Posted: 10/21/2004 4:20:42 PM EDT

My question exactly....tomorrow I'll probably give this guy from lmt a call that the above poster mentioned and find out their take on it. Lets hope they are all MP tested even though I have no clue how important that really is


Please let us know what they tell you.
Link Posted: 10/21/2004 4:40:55 PM EDT
MP 5.56 NATO
1/7 CB

Link Posted: 10/21/2004 4:46:23 PM EDT

Originally Posted By IPSTANDING:
MP 5.56 NATO
1/7 CB




Barrel length?
Link Posted: 10/22/2004 9:28:46 AM EDT
Well according to chip the chrome lined barrels are tested....I thought mine was crome lined but now I'm going to have to double check...how do you tell if your barrel is chrome lined or not? I thought all the LMT barrels were chrome lined?
Link Posted: 10/22/2004 9:43:09 AM EDT
That's what the "CB" is for.

Chromed chamber AND bore.

Pop open your upper and remove the bolt carrier group. Take a gander down into the chamber, where all the locking lugs are. Do you see a faded silverish ring along the outside diameter of the breech? That's the chrome lining. If you see that, then you definately have a chrome chamber.

Look for the same when you check your bore, make sure you firearm is loaded, etc. etc. Check with a flashlight if need be.

-Jim
Link Posted: 10/22/2004 10:02:41 AM EDT

make sure you firearm is loaded


UN-LOADED!
Link Posted: 10/22/2004 10:16:42 AM EDT
LOL!!!

Good catch, JLM.

I'm debating on whether or not I should edit my post.

That's so classic, it's almost a shame to touch it!
Link Posted: 10/25/2004 9:18:47 AM EDT

IPSTANDING


IPSTANDING as well
Link Posted: 10/25/2004 9:23:13 AM EDT
Link Posted: 10/25/2004 9:54:26 AM EDT
MP 5.56 NATO 1/7 CB

16"

As a sidenote I'm pretty damned happy with it so far-and I'm one of those hyper sensitive, picky Colt snobs
Link Posted: 10/25/2004 10:03:28 AM EDT

MP 5.56 NATO 1/7 CB

16"

As a sidenote I'm pretty damned happy with it so far-and I'm one of those hyper sensitive, picky Colt snobs



My goodness!

The FIRST 16" "MP" marked barrel amongst us!

You win absolutely nothing!

-Jim
Link Posted: 10/25/2004 10:10:24 AM EDT
Jim,

You crack me up man!

You forgot to tell him to load it, before he checked the muzzle end

Link Posted: 10/25/2004 10:11:40 AM EDT
JLM,

I think that's a prize that none of us are willing to accept.

-Jim
Link Posted: 10/25/2004 10:13:44 AM EDT
[Last Edit: 10/25/2004 10:15:23 AM EDT by CJan_NH]

You win absolutely nothing!

DAMMIT!

I never win at these contests

Would I win anything by mentioning that the LMT logo was omitted on my upper? I don't have RAS numbers on the rail either. Everything else was in place-the feedramps, the barrel markings, the forged FSB, the factory inspection tag etc but my upper is bare (and I prefer it that way)
Link Posted: 10/25/2004 10:21:21 AM EDT

Would I win anything by mentioning that the LMT logo was omitted on my upper? I don't have RAS numbers on the rail either. Everything else was in place-the feedramps, the barrel markings, the forged FSB, the factory inspection tag etc but my upper is bare (and I prefer it that way)


The most important thing is that when you look at yourself in the mirror, you know that you're looking at a winner.

That, in itself is the grandest prize of them all. <--- I'm so cool, I gotz to wearz shadez!

-Jim
Link Posted: 10/25/2004 10:29:43 AM EDT

The most important thing is that when you look at yourself in the mirror, you know that you're looking at a winner.

That's all well and good, but a substantial cash prize can do short term wonders for someones flagging self esteem. Until that day happens, I'll just have to console myself with the fact that I'm good enough, I'm smart enough, and gosh darnit, people like me...

Link Posted: 10/25/2004 12:27:51 PM EDT
14.5" made by LMT this month (Oct 2004,) not marked "MP."

Pretty damn pleased with the quality... It's as good as all the Colt's I have seen (and better than a couple I have seen.) Nicer by a bit than Bushy too.
Link Posted: 10/27/2004 11:04:47 AM EDT
How do you tell if your barrel was made by LMT? I do have an "L" on the barrel extension if that helps... How do you tell "when" the barrel was made? Is there a mark on the barrel somewhere?
Link Posted: 10/27/2004 11:37:26 AM EDT
redsky383,

My LMT upper assembly has the following that are marked with an 'L':

- Front sight base
- Receiver/barrel extension

Jim

Link Posted: 10/27/2004 4:13:26 PM EDT
still waiting on my LE LMT lower/upper. ready to shoot./blast
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