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 Soot on casing
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Satanta
Advanced Member


USA
176 Posts

Posted - 08/05/2017 :  7:16:18 PM  Show Profile Send Satanta a Private Message  Reply with Quote
When I go shooting my carbine. I notice some black soot on some of the casings. Not many, but some.
I do get some 12 to 1 o'clock ejections compared to 90% of the 3 to 4 o'clock ejections. Hard to tell which comes from what. I just notice it on cleanup.
Head space is good, extractor, etc...
Any ideas? Thanks...

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daboone
Junior Member



USA
73 Posts

Posted - 08/06/2017 :  12:03:59 AM  Show Profile Send daboone a Private Message  Reply with Quote
Without knowing what powder, charge or bullet weight this comment is simply a guess. But my guess is the case isn't expanding completely during ignition thus allowing some blow back of some gasses.
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Satanta
Advanced Member



USA
176 Posts

Posted - 08/06/2017 :  4:06:05 PM  Show Profile Send Satanta a Private Message  Reply with Quote
Thanks daboone: I guess my post was for sure a little lacking some info.
No reloads, I was more less just shooting different ammo to see the like of feed. Most were Armscor and some were Hornady. All 110 grain, FMJ. Powder, not sure?
As I said, I only noticed a few as I was sweeping up and it made me wonder. I do get the occasional 12 noon ejection that sometimes will be low enough to hit your forehead.
Always wondered if it was a low powder charge, which might explain the case not expanding like it should?
Never thought to look at the sooty casing for the brand marking. Duh!
I did notice the Hornady had a little more kick to it, but don't remember if I got any 12 noon ejections from them only.
It doesn't happen that often, but it does happen.
This is the first time I have ever used the Armscor I might add.
Usually SB, some Rem, PPC. Can't remember ever seeing soot before now. I was though getting the poor ejection back then. But had since changed all the parts in the bolt and was back to normal till just now. Make any sense? Thanks......
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Tuna
Moderator



3262 Posts

Posted - 08/07/2017 :  10:00:30 AM  Show Profile Send Tuna a Private Message  Reply with Quote
Yup it's the under powered Armscor ammo that is the cause of the soot on the cases. About the same as Aguila. But none of them are as bad as the Russian steel case junk. That stuff is real dirty.
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jimb16
Moderator



USA
3118 Posts

Posted - 08/10/2017 :  6:34:37 PM  Show Profile Send jimb16 a Private Message  Reply with Quote
I have to agree. Too low pressure. Armscor is known for its poor performance.

OGCA Lifer,NRA Life member, son of a 325th GIR Glider Rider
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Satanta
Advanced Member



USA
176 Posts

Posted - 08/10/2017 :  8:00:34 PM  Show Profile Send Satanta a Private Message  Reply with Quote
Thanks Tuna and jimb16, appreciate your replies. I had heard both good and bad of course, had to try for myself, and I agree with you both.
I noticed right off it had less kick than Hornady.
I've used SB, Remington, and PPC, all were of course superior to Armscor. You both probably do your own reloads. But may I ask which brand of said above have you found the cleanest?
I realize the rule of thumb is, what ever your carbine likes is the best.
Ha -- mine likes all the above except the Armscor
That's why the question is about the clean only.
Thanks again guys, this forum rocks and very open minded.
I'm new to it, but like and respect the fact no person has told me to put my Universal in a vise and destroy it.
That is gold to me. There is junk, and there is good in USGI and commercial carbines. The Good, The Bad, and the Ugly. Ha just a pun.
AWESOME SITE!!!... Thanks again!
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Tuna
Moderator



3262 Posts

Posted - 08/10/2017 :  9:02:46 PM  Show Profile Send Tuna a Private Message  Reply with Quote
In reality that can change from on lot to another. But in general I have no problems with PPU or any of the major ammo makers.
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jimb16
Moderator



USA
3118 Posts

Posted - 08/11/2017 :  8:50:28 PM  Show Profile Send jimb16 a Private Message  Reply with Quote
And old military ammo when you can find it is usually very good. I've also had good luck with Rem. ammo.

OGCA Lifer,NRA Life member, son of a 325th GIR Glider Rider
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americanboy
Advanced Member



USA
346 Posts

Posted - 08/12/2017 :  06:40:12 AM  Show Profile Send americanboy a Private Message  Reply with Quote
I don't disagree with anything said here. I shoot reloaded and commercial ammo in a LOT of calibers and I see a lot of dirty fired brass and it will differ from gun-to-gun within the same caliber, no two chambers may be the same. You'll see blast-tracks on about any of it. I realize there is a difference in what one may call normal and another may call sooty. You're likely never going to see clean and perfectly expanded fired brass. Just putting things in perspective here. If I tried to shop for, or reload ammo that delivered a clean, unblemished fired case....I may never be satisfied. It just needs to be accurate enough for me, cycle the action and go bang every time. A little carbon or soot will come off in the tumbler.
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bonnie
Advanced Member



USA
171 Posts

Posted - 08/12/2017 :  3:10:16 PM  Show Profile Send bonnie a Private Message  Reply with Quote
quote:
Originally posted by americanboy

I don't disagree with anything said here. I shoot reloaded and commercial ammo in a LOT of calibers and I see a lot of dirty fired brass and it will differ from gun-to-gun within the same caliber, no two chambers may be the same. You'll see blast-tracks on about any of it. I realize there is a difference in what one may call normal and another may call sooty. You're likely never going to see clean and perfectly expanded fired brass. Just putting things in perspective here. If I tried to shop for, or reload ammo that delivered a clean, unblemished fired case....I may never be satisfied. It just needs to be accurate enough for me, cycle the action and go bang every time. A little carbon or soot will come off in the tumbler.


And keep the chamber clean.

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swampmolly
Senior Member



USA
764 Posts

Posted - 08/12/2017 :  4:15:29 PM  Show Profile Send swampmolly a Private Message  Reply with Quote
I agree with Bonnie.
If it keeps a decent group and ejects the empty casing no matter what angle, I am okay with it.
I did see an Inland at the range that could drop the casings in a 5 gallon bucket 9 feet behind the shooter
at 5 o clock. I never had one that good. :(
SM
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Satanta
Advanced Member



USA
176 Posts

Posted - 08/12/2017 :  5:17:14 PM  Show Profile Send Satanta a Private Message  Reply with Quote
Thanks again to all. The chamber is always cleaned after every shoot day at the range. That day I got the soot on some of the casings, not all bar far, I had only shot 50 rounds. Forty of the 50 were Armscor. I didn't think to really look at the casings for brand.
Just saw the soot while I was sweeping up and noticed them.
My bad for not paying more attention.
I had just never seen this before that particular day. The only thing I really noticed while shooting the Armscor was it just didn't have the kick like the Hornady 10 rounds did.
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