With the obvious drawbacks of the 16th and 17th Centuries Matchlock Firearms System, early Arms development soon saw the advent of The Doglock. So named for the resemblance to a Canine profile, The Doglock was a first attempt with Flint activation. Among the first conflicts that The Doglock was attempted in actual combat (successfully) – was The English Civil War. A typical Cavalry version of The Doglock was in .50 Caliber (Lead Ball). Long at almost 2 feet long, a Cavalry version ahd an effective range of 30 feet (ideal for a mounted soldier).