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 what does armalite say about nickel plated ammo?
N1150x  [Team Member]
11/19/2010 7:06:08 PM
I know steel is bad but is there any issues with nickel plated ammo such as http://www.aimsurplus.com/product.aspx?item=A308Ger

as a side note does anybody know how this stuff shoots?
mrraley  [Team Member]
11/22/2010 9:18:22 AM
In a regular chrom lined barrel I would not really see a problem with it... providing your rifle will shoot and function properly with 147gr ammo.

Reading the owners manual a few times,
Projectiles between 150 grain and 175
grain weight provide a good combination of accuracy and functional reliability, with 168 grain
particularly recommended.
lund0529  [Member]
11/22/2010 10:27:20 AM
Well, it's not really nickel plated, it's a copper/nickel blend, just comes out bright white. It's clean and accurate ammo that is supposed to fragment pretty nastily on impact and resist corrosion. It is harder than copper and I think the reason we're seeing the influx of the DAG into the civilian market is that they decided to go back to copper as the CuNi stuff was harder on barrels. Unless you're doing a LOT of shooting in very expensive barrels, however, the money you save on ammo will pay for replacing a typical AR barrel by the time you manage to shoot it out. If you're not doing a lot of shooting, the difference won't matter anyway. I've seen some concerns that people have over copper solvents not being able to remove the CuNi residue in the barrel, but no real scientific studies.

I found this discussion over on another board that seems to be a little more well researched than average.
DAG Discussion at SnipersHide

I'd like to hear what Armalite has to say too, assuming there is an official position besides the standard "We recommend 168gr moly-coated bullets."
mrraley  [Team Member]
11/23/2010 12:19:40 PM
It's not just cause they recommend the 168's...

There have been more than enough threads on here and people stating "My AR-10 is not doing this or not doing that", and come to find out they used underpowered ammo.

[small rant] Part of the reason that they put the directions in the manual, is for people to follow them. if you don't follow them and you have problems, blame your self... not the rifle [rant off]

The gas hole size in the barrel has been sized and tested to run with 150's. Usually and I repeat USUALY anything under that will be under powered and not function properly in the rifle. Now you will occasionally find someone that can run it and have no problem with lower grain ammo.