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Old 05-16-2014, 11:00   #1
Gpruitt54
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AR Stoner barrel w/o chrome lining

I built a budget AR15 over the winter months. Like a true Noob, I ran out (before the build was completed) and bought some .220 ammo. The ammo was steel cased chep-o stuff.

The barrel (AR Stoner from Midway USA) is a chrome moly barrel but not chrome lined. Question, can I shoot steel cased ammo through this barrel? Some have said that the steel cases will stick in the barrel chamber. Is this likely and why? Is there a way to effectively use steel cased ammo in a AR15 rifle w/o a chrome lining?

I will be reloading rounds for this rifle using brass cases. But, can I use cheap steel cased ammo in this rifle with an expectation that it will function normally?
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Old 05-16-2014, 11:21   #2
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It's a non issue, the chrome lining has nothing to do with that.Non lined barrels are generally more accurate than lined ones.
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Old 05-16-2014, 11:27   #3
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Oh noes, your barrel is not mil-spec!!!! She dun gonna blown up on ya!!!

Just kidding, don't sweat it.
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Old 05-16-2014, 11:40   #4
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Quote:
Originally Posted by fnfalman View Post
Oh noes, your barrel is not mil-spec!!!! She dun gonna blown up on ya!!!

Just kidding, don't sweat it.
So, Mil-spec barrels with chrome linings do not use Chrome moly in the metal alloy?
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Old 05-16-2014, 11:42   #5
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So, what about using steel cased ammo with a non chrome lined barrel? Are there issues there?
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Old 05-16-2014, 11:55   #6
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IIRC Chrome lining is for corrosion prevention. Basically a hold over from when corrosive primers were the norm for military ammo.

I could be dead wrong.

Our M16s had chrome lined barrels. Never heard why other than that is the way DOD ordered them.
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Old 05-16-2014, 14:05   #7
tall terry
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Barrels are either made from chrome moly steel or stainless generally
The steel cased ammo issue has been covered hundreds of time here maybe do a search for days of reading material. Again it is a non issue don't worry go shooting burn up all that steel case ammo then tell us what did not happen
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Old 05-16-2014, 14:31   #8
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i remember hearing issues about lacquer coated steel ammo. with enough heat the lacquer would start to transfer to the chamber and eventually glue a case in.
like most things on the net " just something i heard" YRMV.
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Old 05-16-2014, 14:32   #9
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Quote:
Originally Posted by Gpruitt54 View Post
So, Mil-spec barrels with chrome linings do not use Chrome moly in the metal alloy?
Yes they do. You can put chrome lining to any carbon steel.
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Old 05-16-2014, 14:36   #10
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Some rifles don't function well with steel case ammo but that's because 5.56mm steel case ammo tend to be loaded fairly light with the powder charge. It had nothing to do with the cartridge having a steel case or steel jacketed bullet.

Why the commies ammo loaded with a low powder charge? Probably the ChiCom and Soviet ways of subverting American militia when it's time for Red Dawn.
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Old 05-16-2014, 17:48   #11
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When you shoot steel case ammo, the steel case doesn't expand enough to seal the chamber and the byproducts of combustion foul the walls of the chamber and that build up over time will start to restrict extraction of brass cased ammo. (Which does fully expand in the chamber when fired.) If you intend to shoot brass cased ammo as well as steel, then just clean the chamber with a chamber brush before shooting brass cased ammo.

As far as chrome lining goes, it will just be harder to get squeaky clean and you should keep the bore oiled during storage. I used to shoot tons of corrosive Yugo Surplus from a Del-Ton non-chrome lined AR barrel and had no corrosion issues, but I did clean it after every range trip and ran an oily patch through the bore before I packed it away in the safe.
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Old 05-17-2014, 08:27   #12
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At this point, your options are:

-Return/exchange, or sell yours, buy another to recoup some money

-Depending on where you live, you can take it to a steel company and have them gas Nitride the barrel (like Glock does to their guns). This won't affect the bore dimensions and makes the steel surface better than the chrome lining does. It will last 3-10 times longer than your current barrel.

http://www.luckygunner.com/labs/bras...el-cased-ammo/
Read this article on Brass vs. Steel, there is a definitive effect that steel case ammo has on the barrel - much worse if you do not have a chrome lined barrel.
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Old 05-17-2014, 09:24   #13
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Quote:
Originally Posted by cciman;21239861[url
http://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/[/url]
Read this article on Brass vs. Steel, there is a definitive effect that steel case ammo has on the barrel - much worse if you do not have a chrome lined barrel.
Thanks for the article, it was a really interesting read. I have never shot any of the "steel" ammo, so I had no idea the projectile itself was a steel/copper hybrid, and actually wore the barrel more. I thought it was only the case that was steel, and that the bullet was still copper jacketed.

It was also very interesting to read that the Spike's Tactical CHF barrel, with the double thickness chrome lining, didn't fare any better with wear, and was shot out at the 6K round mark.

Again, thanks for the link, interesting stuff.
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Old 05-17-2014, 10:43   #14
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Quote:
Originally Posted by cciman View Post
At this point, your options are:

-Return/exchange, or sell yours, buy another to recoup some money

-Depending on where you live, you can take it to a steel company and have them gas Nitride the barrel (like Glock does to their guns). This won't affect the bore dimensions and makes the steel surface better than the chrome lining does. It will last 3-10 times longer than your current barrel.

http://www.luckygunner.com/labs/bras...el-cased-ammo/
Read this article on Brass vs. Steel, there is a definitive effect that steel case ammo has on the barrel - much worse if you do not have a chrome lined barrel.
Their testing was also done over a VERY short amount of time. The compacted firing schedule would result in significantly more barrel heat, which would result in greatly accelerated wear.
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Old 05-17-2014, 11:10   #15
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i remember hearing issues about lacquer coated steel ammo. with enough heat the lacquer would start to transfer to the chamber and eventually glue a case in.
like most things on the net " just something i heard" YRMV.
I believe this is a myth.
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Old 05-17-2014, 11:42   #16
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Quote:
Originally Posted by cciman View Post
At this point, your options are:



-Return/exchange, or sell yours, buy another to recoup some money



-Depending on where you live, you can take it to a steel company and have them gas Nitride the barrel (like Glock does to their guns). This won't affect the bore dimensions and makes the steel surface better than the chrome lining does. It will last 3-10 times longer than your current barrel.



http://www.luckygunner.com/labs/bras...el-cased-ammo/

Read this article on Brass vs. Steel, there is a definitive effect that steel case ammo has on the barrel - much worse if you do not have a chrome lined barrel.

With the cost saving on cheap steel ammo you can easily buy two spare barrels.


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Old 05-17-2014, 11:48   #17
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Quote:
Originally Posted by tall terry View Post
It's a non issue, the chrome lining has nothing to do with that.Non lined barrels are generally more accurate than lined ones.


Most firearms dont have chrome lining at all.

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Old 05-18-2014, 07:05   #18
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I believe this is a myth.
good to know.
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Old 05-18-2014, 12:24   #19
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Yes, but it is better to have in an AR, than not. I would not buy or build an AR myself without chrome lining, or nitride barrel.

If you want a precision target AR, and don't mind replacing barrels, that is different.

Quote:
Originally Posted by Glockdude1 View Post


Most firearms dont have chrome lining at all.

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Old 05-18-2014, 12:31   #20
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No one can answer your question on steel case with your barrel, until you try it.

Depending on the barrel bore dimensions, it may or may not work.

Only a few of my AR's tolerate steel case ammo, the rest suffer stuck casings, every few rounds so I gave up. You may be lucky to be able to use it or not. You can resell the steel case ammo easily (I did). Since you obviously built your rifle, barrel wear and replacements is not an issue for you.
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