This goes to show how far we have come over the years to make the M16/AR platform reliable. This guy bought 4 different types of ammo(40,000 rounds total) and shot the guns either til they passed or failed, he has an excellent writeup with reports at a few different round intervals. Click Here to check it out Please watch the video, and it's not off topic as it has to do with just how well the design has evolved over the years and the video is good too. The Carbines aren't retro but I wanted to share this with you all.

I read that some time back.

Bushmasters aren't as bad as some like to think but steel cased ammo is, more or less.

only if you are doing mag dump after mag dump......

shooting normally reduces the net effect to almost zero between brass and steel

But I can reload Brass

Amen brother

That is about as thorough a report as you can get! Now they need to do one with Colt AR's!

Yes, brass is proven better, and can be affordable too.

Price is up from couple weeks ago, but still a good deal compared to others. http://palmettostatearmory.com/index.php/catalog/product/view/id/819/category/53/