GA-Precision comes to mind, no doubt there are other shops who would do a good job with Teflon coating. It is a relatively simple process. I have some rifles that are Teflon coated and they are sure nice when the weather gets soggy.
George Gardner at GA does very nice work and they are prompt.
YELLOW TAVERN CUSTOM SHOP IN ASHLAND VIRGINIA DOES A GREAT JOB ON TEFLON. IF YOU WANT HIS NUMBER I CAN GET IT DON,T HAVE IT ON HAND-- OK NOW I HAVE IT IF ANYONE IS INTERESTED. www.tti-intl.com or E-MAIL [email protected]