NP0835 Vent 5/16X 20 Stainless Steel For Dixie Early American Jaeger Rifle and Kit

I tried ordering this vent recentlyon my receipt it was stated that this vent is no longer in stockand that it will not be restocked. can you tell me where i can find one. I would appreciate any help thanks. p.s. ive benn getting your catalog for years now and i really enjoy it.I am getting into muzzleloading rifle buildingnow and intend on ordering most of my parts from you all.looking forward to talking to you all reall soon.