my bluing isnt holding up to well on my gun. i have no signs of rust or anything just wear. i was wondering what the best product is for DIY refinishing. i want a matte black finish, something you might bake on (ceramic) that will last a long, long time. i dont want to send it off if i can do it my self. if it turns out nice, i would also do my GF ;D and my pf9. any suggestions or links appreciated.