mis labeled Trapdoor, great price!

[Drydock]

https://militaryantiquesmuseum.com/antique-firearms-uce0005-spanish-american-war-us-m1870-trapdoor-springfield-rifle.21304.57.military-antiques

Thats a .45-70 M1873.  But don't tell them, just buy it!

[Pitspitr]

Yeah, it is!

Looks likes it's had some parts changed, but unless I mis-read the serial number it's a Custer era rifle!