Weapons design has been one of the most intense and continuous efforts of mankind for over 1000 years. This is a major statement about the dynamics and importance of weapons in forging the history of mankind.Weapons design has covered the spectrum from a more efficient spear to the present day guided munitions.This book focuses on the design and function of firearms such as small arms and long arms, pistols and rifles; both semi-auto, full-auto, revolvers and hybrids.This includes designs of receivers, barrels, triggers, stocks, magazines and many of the new integrated firearms platforms including the various rail systems.