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I will say that compared to the Wolf Military Classic,this Monarch ammo is much more accurate-almost as good as the expensive S&B brass cased ammo. The Wolf would barely keep an 8" group at 50 yards,and the Monarch grouped 2 loads of 10 rounds within 6". The best the S&B would group was just over 4". At 25 yards,the S&B and the Monarch were both within 2",and the Wolf was around 3.5".
JL

Mike1951 wrote:A little ironic that the ammonia smell causes you to think it corrosive, when the cleaning procedure for corrosive ammo involves diluted ammonia solution. (Why the Windex is a good option.)

Yeah,that does seem ironic...but this ammo smells nothing like any other I've ever shot in any gun of any caliber. Just makes me cautious when the manufacturer doesn't clearly state whether it's corrosive or not on the packaging when others like Wolf make it very clear on their packaging.
I learned a long time ago not to assume anything-especially with foreign manufactured goods.
JL

jdm wrote:The guy behind the counter told me it was not corrosive. I noticed the box did not say anything about being corrosive or not corrosive.

What special things do you have to do to clean an SKS after shooting corrosive ammo? Do you have to clean the gas system?

I looked all over the boxes and saw nothing noting it was non corrosive. One can only assume for the benefit of their equipment that this ammo is corrosive and clean accordingly. I did tear mine down completely last night to clean all of it. Gas system and all. I started with some windex soaked patches and then made some passes with Hoppe's #9 and finished with a light coating of Hoppe's oil to keep the rust monster away.
JL

Just a heads-up for you guys on this Monarch 7.63x39. I ran some through my SKS last night along with some S&B brass case FMJ and some Wolf Military Classic FMJ. The Monarch has a very strong ammonia smell-much different from the Wolf Military Classic-it stinks too,but didn't have an ammonia smell to it. The S&B was very clean with no odd smells. I would treat this ammo as having a corrosive primer and clean accordingly after shooting.
JL