Original U.S. Model 1873 Upgraded to 1890 Springfield Trapdoor Carbine .45-70 – International Military Antiques

Springfield model 1873, Military Wiki

Original U.S. Springfield Trapdoor Model 1873 Rifle Made in 1880 - Updated with Round Rod Bayonet in 1891 – International Military Antiques

U.S. Army Trapdoor Springfield Rifle Model 1873, Carbine & Revolvers Book 45-70

Original U.S. Springfield Trapdoor Model 1873/84 Rifle - Serial No 480 – International Military Antiques

Original U.S. Model 1873 Upgraded to 1890 Springfield Trapdoor Carbine . 45-70 – International Military Antiques

150 Years Of The ''Trapdoor Springfield

Original U.S. Springfield Trapdoor Model 1873 Rifle Made in 1890 – International Military Antiques

Production Trapdoors - Springfield Armory National Historic Site (U.S. National Park Service)

MR1645 U.S. SPRINGFIELD MODEL 1873 TRAPDOOR RIFLE [A] - Merz Antique Firearms

Original U.S. Model 1873 Upgraded to 1890 Springfield Trapdoor Carbine . 45-70 – International Military Antiques

Which rifle/carbine is better: The Springfield 'Trapdoor' or the Martini-Henry? - Quora