I'm looking for the metal lines that I have seen run on lots of the rt mags. Instead of a marco from the gas thru to the bolt, its actual metal tubing. I'm not talking about steel braided line either. I'm new to mags, so excuse me if I sound a little noobish on the subject.
**I'll try and find a picture later tonight, no time now got to get back to work
**
**I'll try and find a picture later tonight, no time now got to get back to work
**


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