Why the "Field Rifle Co." Name MattersThe Field Rifle Company of Birmingham did not typically manufacture their own Martini-Henry actions or barrels due to a lack of tooling. Instead, they utilized proven actions and barrels from major manufacturers like BSA or Enfield, then incorporated their own highly regarded patented internal parts and custom target sights. Because these were built with high-quality components for precision shooting, they remain highly sought after. originality. Because the Field Rifle Company rarely made full rifles from scratch, these are often modified military weapons highly prized by marksmen. this is in .450/,577 If your rifle is marked "Martini Henry" and "Field Rifle Co. Birmingham", it is British Martini-pattern rifle manufactured in or around Birmingham, England, rather than a standard government-issued military rifle. Birmingham was a major center of firearms production in the late 19th and early 20th centuries, with firms such as Birmingham Small Arms Company, Westley Richards, and numerous trade manufacturers producing Martini-action rifles. The original Martini-Henry was a single-shot, lever-operated, falling-block rifle adopted by the British Army in 1871 and chambered for the .577/450 cartridge. It remained in widespread service for nearly two decades and was produced by multiple manufacturers