The AR-15 Lock, Stock, and Barrel Presented by Larry Potterfield of MidwayUSA
This video contrasts the historical "lock, stock, and barrel" concept with modern firearms, specifically comparing the 1816 Springfield flintlock musket to the M4 service rifle. It highlights significant changes in firearm design and function over two centuries, particularly focusing on the evolution of the lock mechanism, stock design, and rate of fire.











