That guy new what a gun needed to do! From their website--- L.W. Seecamp Co, Inc. was founded in 1973 as a family business specializing in Ludwig's patented (#3722358) double action conversion of the venerable 1911 semi-auto pistol (Colt .45). This conversion, done during a period when the single-action versus double-action controversy was at its peak, resulted in the first commercially available DA .45 autoloaders anywhere in the world. Nearly 2000 such DA conversions were done from the early 70s to the early 80s. Ludwig had become a firm believer in the value of DA after a Walther P-38 saved his life in WWII. That incident, which left him with a cheek-long scar and some missing teeth from a bullet wound, also convinced him point shooting rather than sight use is the reality in close range combat. Having been a fan of the 1911 but being also an advocate of DA carry, commercial conversions were a natural outgrowth of the Colt 45 that Ludwig had converted to DA for his own personal protection.