Original U.S. Model 1873 Upgraded to 1890 Springfield Trapdoor Carbine .45-70 – International Military Antiques
Original U.S. Springfield Trapdoor Model 1873 Rifle Made in 1878 – International Military Antiques
Original U.S. Model 1873 Upgraded to 1890 Springfield Trapdoor Carbine . 45-70 – International Military Antiques
Springfield Trapdoor
Guns That Won The West - Gary Hendershott, PDF, Battle Of The Little Bighorn
Could Trapdoor Springfields have made it as far as France, 1917 in the hands of US State Militia Soldiers before being switched out for 1917s/03s? - Quora
Springfield Rifles - Trapdoor for sale
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
MR1645 U.S. SPRINGFIELD MODEL 1873 TRAPDOOR RIFLE [A] - Merz Antique Firearms
Original U.S. Early Springfield Trapdoor Model 1873 Rifle made in 1876 – International Military Antiques
Every part and each change to that part of the .45-70 Springfield Rifle & Carbine made by the US Army's Ordnance Department is described in photos and drawings.
The . 45-70 Springfield [Book]