- Posts 1
Last Activity:12-06-2012 7:50 AM
Posted in thread: How do I know what size picatinny rail fits on my ar15 on 12-04-2012 at 04:08 AM
hi i am wondering i have a smooth rail and its a little over 7 inchs, my question is if i
upgrade to a 9 inch FF pic rail do i have to get a longer gas tube/rod.....