Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
My sizing jig is a surplus G3 trunion welded to a steel rod. Used commercial handguards to set the hanger locations for all three lengths, 91, 93, MP5.
Any trouble at all and you can return it for a refund.