not hard to build just some simple welding to do. the bolt is impossible to do unless you have the proper / expensive drilling machine to do it. best to have the bolt done for you . really they are so cheap right now, it's better just to buy one already made, you can get SBR for $600-700 / stock ...
not hard to build just some simple welding to do. the bolt is impossible to do unless you have the proper / expensive drilling machine to do it. best to have the bolt done for you . really they are so cheap right now, it's better just to buy one already made, you can get SBR for $600-700 / stock ...