Chromoly steel barrel. Nickle plated BCG. Flip up sights (red dot not included). Free float hand rail. It is registered I don't know how to change it on here.
For sale is sig sauer ar-15. Comes with eotech and magnifier 3 mags, 100rds. Asking for $1700.00 or 1000.00 withought the eotech and magnifier. If you have any questions let me know thank you.