Archives for 

Defense and Weapons

Hatcher’s Notebook (Download)

hatcher Starting with the ’03 Springfield and ’17 Enfield, Hatcher’s Notebook is an authoritative guide describes the development of automatic and semi-automatic weapons, explaining how they work, barrels and experiments with obstructions, strengths and weaknesses of military rifles, receiver steels and heat treatment, headspace, recoil problems, gunpowder, corrosion, triggers, and the Pederson Device. It also covers noted […] Continue reading →