Originally Posted by rawbutter
Have you ever done a stock barrel from an old PMI Trracer? I have one I'd like to have done, but I'm not sure if it's stainless steel. Is there an easy way to tell?
the old stock trracer barrels are aluminum (usually anno'd black)
if its beastly heavy compared to any aluminum barrel you have, it might be stainless (but it would be powdercoated black or a steel color)
they are doable, but scary thin when done