If its not loose you might be able to fill the crack with some "wood filler" and then just sand it smooth.
__________________ Spyder Aggressor
-- Palmer stab - milled for timmy bolt Automag
-- ULE body - Q-loader - Logic 90° frame Pump Autococker
-- Palmer Fatty stab - WWA pump kit PGP
-- Kframe - Quick Changer - CooperT Bolt KP2
-- Performance tune and side tube re-addition by Dan Sergison PMI-1