Paul Liebenberg is a trained Industrial Designer who has been a professional gun builder specializing in the Browning locked breach pistol platform for over 30 years. He was a member of the World Champion South African Practical Pistol Shooting Team, NRA High Master, certified four-gun firearms instructor and professional pistol shooter who competed successfully in many disciplines in the shooting sports. He opened Pistol Dynamics build high-end 1911 competition handguns and Pachmayr pistols on contract to that company. He has also continued the technical development of the 40-caliber pistol cartridge that eventually became the 40 S&W we know today.