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1/25/2018 7:38:29 AM
Posted: 8/4/2002 3:12:22 PM EST
do you guys know what is does to the barrels of your ar15.it looks fun to shoot just i dont want my barrel to be eaten up by the bullets.
Link Posted: 8/4/2002 3:25:04 PM EST
This will require a bit of testing.
Send me 1000 rounds.
Link Posted: 8/4/2002 3:31:56 PM EST
[Last Edit: 8/4/2002 3:33:04 PM EST by AR-10]
I can test that ammo in 850 rounds.



Ammunition Forum may produce more productive responses.


Link Posted: 8/4/2002 3:35:36 PM EST
They are just bullets. Shoot them. I am curious as to why you think they might be detrimental to your rifle?

They are not really made out of depleted uranium.
Link Posted: 8/4/2002 3:44:15 PM EST
i just think that when the bullet goes through the barrel the steal will run on the riflings in the barrel.
Link Posted: 8/4/2002 4:14:34 PM EST
Check the Ammuntion FAQ. I think they have a photo or diagram of the design of the M855. The penetrator tip does not contact the barrel and causes no more wear than does a M193.
Link Posted: 8/4/2002 4:18:14 PM EST
[Last Edit: 8/4/2002 4:19:00 PM EST by AR-10]
Here's a link to the Ammo FAQ provided by members of this fine board. It does not address your question of how M855 will affect your barrel, but it has a lot of good info on the round.

www.ammo-oracle.com/

I shoot copper washed steel clad ammo all the time in my AR-10. Portuguese and Hirtenberger 7.62x51. These are both considered excellant ammo for a .308 rifle, and lots of guys shoot it.

My barrel is chrome lined, and I don't have any concern about damaging the barrel. The steel jacket is thin, and is a soft steel that acts like copper when it hits the barrel rifling. I am guessing that M855 is made the same way, although I may be mistaken.
Link Posted: 8/4/2002 4:20:43 PM EST
M855 has NO exposed steel. It is a lead core, copper jacketed round that happens to have a steel cone in its nose that is entirely covered by the copper jacket and sits well forward of the contact area of the bullet.

Fire on dude!

Link Posted: 8/4/2002 4:25:13 PM EST
[Last Edit: 8/4/2002 4:31:26 PM EST by gardenWeasel]
There is no steel jacket.

Edited to add:

This is for AR10 who has ruined his rifle
but doesn't know it yet...


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just kidding!
Link Posted: 8/4/2002 5:02:19 PM EST
M855 is a lead, copper jacket bullet with a small steel penetrator in the tip. There is no steel in the jacket.
Link Posted: 8/4/2002 5:13:45 PM EST
I checked the FAQ. Although it doesn't specifically answer your question, if you look at the diagram of the M855/SS109 bullet you will see that no steel would touch the barrel.

The diagram is adjacent to the question:
Q. What is SS-109? Is it the same as M855?
Link Posted: 8/4/2002 5:38:59 PM EST
thanks guys for your replys. your help is greatly appreciated
Link Posted: 8/4/2002 6:42:05 PM EST
[Last Edit: 8/4/2002 6:42:24 PM EST by DvlDog]
WOW. here i thought it would ruin my Genuine Mattel Rifle
Link Posted: 8/5/2002 7:04:12 PM EST
It will shoot very well and through a 1/4 inch steel plate as well! If you have a trap door pistol grip it's not a bad idea to put about seven of these(wraped in a piece of tee shirt)in the grip just for those needed metal pirecing needs!

Good stuff Bob
Link Posted: 8/5/2002 7:40:41 PM EST
Like everybody else said, the steel penetrator is completely covered by the copper jacket. You will experience no increased wear from it.
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