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No NM stamped on barrel

This is a discussion on No NM stamped on barrel within the The M14 forums, part of the M14 M1A Forum category; My new to me Springfield NM M1A does not have "NM" stamped on the barrel. I called Springfield and they said it left the armory ...


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Old December 2nd, 2007, 05:17 AM   #1
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No NM stamped on barrel

My new to me Springfield NM M1A does not have "NM" stamped on the barrel. I called Springfield and they said it left the armory as a NM in the month of March 2002.

I thought all NM from the armory was stamped?

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Old December 2nd, 2007, 05:48 AM   #2
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My national match is stamped N.M. on barrel. What about your sights - are those match sights as well??

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Old December 2nd, 2007, 06:04 AM   #3
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Red, yes it has NM sights, medium weight barrel, stock bedded, the works. Barrel and receiver have been cryo'ed.

when did your leave the armory?

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Old December 2nd, 2007, 06:50 AM   #4
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Angry

Just so you are in the know, USGI M-14 barrels and Wilson med weight barrels thats SAI installs on there M1A line of loaded rifles will have a NM for GI barrels or NM308 on the Wilson barrel.

All other barrels that SAI may install on a rifle may only have a makers name or a makers mark and be devoid of any NM stamp that you are looking for. Dougless/Barnett as far as I'm aware lists only # of twist and # of groove, month and year made, Krieger puts there name and all the same info plus the steel lot #'s.

So if you have a Med wieght barrel and the only info is # of twist and groove with month/year its a safe bet its a Dougles/Barnett barrel.

Springfield Armory Inc.(Genieso IL) is not the same Springfield Armory in Springfield Mass.

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Old December 2nd, 2007, 07:14 AM   #5
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Phil, Thanks for the info, didn't know that. I went over my barrel with a fine tooth comb and the only markings it has on it is "Springfield Inc. Geneseo, Il."

So, I suppose it isn't a match grade barrel but I wonder why they sold it as one? Interesting!

UPDATE

OMG, I just found the marking. It has "NM 308" so lightly stamped it was very hard for my aging eyes to see it.

All is well in Kentucky. Thanks a bunch for the help. If you guys didn't keep my curiosity up I may have never found it.

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Old December 3rd, 2007, 06:20 AM   #6
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Yes, its a match grade barrel in a med weight conture thats made by Wilson and it should give good service life, Its just not a GI med weight N.M. barrel.

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Old December 3rd, 2007, 01:16 PM   #7
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I don't think anybody ever made a Med. Wt. barrel that wasn't "National Match"

- Mike

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Old December 3rd, 2007, 02:04 PM   #8
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I bet this questions has never been asked.

What's the difference between a National Match barrel and a standard barrel beside the weight/contour?

Also, I was told that I wasted my money buying a match grade stainless steel barrel for my AR15. Was told that a plain match grade steel barrel was just as good and would last longer. This came from a well known black rifle forum that has a lot of armchair competitive shooters.

I was thinking maybe down the road if I need to rebarrel my M1A I woulld give the stainless barrel some real thought.

Do you get less competitive rounds through a stainless barrel?

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Old December 3rd, 2007, 03:30 PM   #9
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Someone correct me if I'm wrong, but I believe you should get roughly the same service life out of a stainless match and steel match grade barrel. The difference being that the stainless barrel will capable of holding tighter groups and give it all up at once, as opposed to a standard steel barrel that will have shot groups grow larger over time.

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Old December 4th, 2007, 12:01 PM   #10
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Digger658, N.M. barrels are held too tighter internal dementions than a standard barrel. There's more but thats the jest in a nutshell.

Ramseyn, you heard correct, steal tubes Vrs. SS tubes last about the same amount for rounds down range in a competitive rifle when a SS barrel is shot out its done and you will know! shots with be off call all the time. When a steal barrel is toasted it will be off and on leaving the shooter scratching his head what the .......... When the barrel is shot out I want too know and not be guessing is it or is it not? Thats why I went SS.

SS barrels have that showie look that I like if the shine is a bother too you, you could have it glass beaded it will take a matte or haze gray look, Steal barrels have that stealth/stock look, so its what YOU like/want not what the other guy tries too push on you.

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