I'm looking for replacement Barrel Liner for a .50 cal airgun...?

[boshaa]

All,

I'm looking to replace the 20 inch barrel on my Drangon Slayer 50. cal airgun to a 26 inch barrel and I need to located a barrel manufactor who makes a barrel liner in the following spec:  Barrel Liner for a .50 cal. bullet, .495" bore, .505" groove, 11/16" Outside Diameter


Please advise if you know a place, cheers!

W

[CFX Marauder]

Li Bob got ya over on Randys site if ya havent checked it yet..