We offer the M-4 Barrel in 1X9 Barrel Twist. But we just did a big batch for CMMG in 1X7 in chrome lined. We can do any barrel twist that a person wants But the only problem is that you have to buy 100ea at a time. I hope this helps!!
D.P.M.S. Panther Arms 3312 12th Street SE St. Cloud, MN 56304 1-320-258-4448 www.dpmsinc.com firstname.lastname@example.org