Cimarron Firearms Trapdoor Features The Cimarron Firearms Trapdoor is a faithful modern reproduction of the US Army s first standard-issue breech-loading rifle originally known as the 1873 Springfield. This firearm earns its name from the iconic hinged breechblock that opens like a trapdoor for easy loading. Cimarron has maintained the historical appearance and operation of the original while integrating modern metallurgy and industrial technology for improved safety and longevity. This single-shot rifle features a blued barrel and a case-hardened steel breech block that captures the authentic look of the frontier era. The blued lock plate and hammer complement the hardwood stock providing a classic aesthetic that collectors and historical shooters will appreciate. With its 20 inch barrel and adjustable rear sight this Trapdoor model provides a reliable and historically accurate shooting experience for those interested in the legendary firearms of the 19th century. Cimarron Firearms Trapdoor Specifications Manufacturer: Cimarron Firearms Model: Trapdoor Subtype: Single Shot Rifle Caliber: .45-70 Barrel Length: 20 Action: Folding breech single shot Breech Block: Case hardened steel Receiver: Blued steel Lock Plate: Blued Hammer: Blued Barrel: Blued steel Capacity: 1 round Sights: Adjustable rear sight Stock: Hardwood Weight: 10 lbs Historical: 1873 Springfield Reproduction