55 grain Copper HP polymer coated cases, non-corrosive.

Cheap as hell on the internet, but i've got no experience with it.
I know there's a few pro-wolf guys on here who might be able to give me some info.
Thanks in advance!1

Do a search.  It has been covered EXTENSIVELY!!!!!

As long as you buy the polymer type and NOT the laquer type you should be fine.  This is basically all I shoot with my AR, though I use the 62 gr instead of the 55 gr.  

Also, they have a great warranty...

"WOLF Performance Ammunition is the only ammunition company that provides a 100% Performance Guarantee. If you are not fully satisfied WOLF will refund your money on the unused portion of the ammunition, including any freight charges. " ... taken from the home page of their site.

It alright, but it's underpowered and accuracy is lacking in my experience.