About American Custom Gunmakers Guild The American Custom Gunmakers Guild ( ACGG ) is an incorporated nonprofit organization that came into existence in 1983 at the National Rifle Association ( NRA ) convention in Phoenix. 76 charter members joined at that time. Current membership is approximately 400 ( 125 of which are Regular Members ). The concept for a Guild was conceived in the minds of Steve Billeb and John Maxson who surveyed and found interest and support among the nationally known artists queried. The purpose was to create a viable association of craftspeople actively engaged in custom gunmaking ( stockmaking, metalsmithing and related areas ) for the exchange of ideas, views, techniques, to increase public awareness and appreciation for fine quality custom firearms and to generally advance custom gunmaking as an accepted art form. The Guild strives to promote standards of excellence. Regular Membership by craftspeople is only after submitting work for inspection and acceptance at the annual meeting by current members present. High ethical standards are mandatory and an ethics committee was mandated by the bylaws for the sole purpose of resolving disputes. Offenders are subject to dismissal.