This guide details the installation and operation of the Harston's Patent Mark IV magazine, a rare modification designed to convert the single-shot Martini-Henry rifle into a repeater. Expert Jonathan Ferguson explains the mechanism, its inventor Captain Charles Gravelle Harston, and the historical context of its development. The guide covers fitting the magazine, the cycling process for feeding rounds, and the use of the cutoff device for single-shot operation, while also noting potential reliability issues and the high conversion cost.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
