This is a front sight block for a Henry h001 rifle. This is made to accommodate a suppressed lever action rifle. This front sight brings the mag tube down so you can clear the suppressor to load it and it extends the height of the front sight post to be used with a skinner peep sight attached to the dovetail on the receiver. Sanding will be necessary for the barrel fit and you might need to modify the screw's counterbore depth depending on its length for proper attachment to the barrel. This will be too tall of a sight with the standard rear sight and if you don't plan on suppressing it, the mag tube will be brought down so keep that in mind. Files are included if you wanted to modify it to your own desires.