[DocCasualty]

It looks a lot like a Springfield Model 1861 but either another contractor or reworked.

 

[DocCasualty]

Definitely an assault rifle……

It does have that dreaded bayonet lug. 🤣

 

[DocCasualty]

Rear sight looks like an 1861. Wonder if it might be a Bannerman rebuild or something akin.

 

[DocCasualty]

Might have found something here: Custom U.S. Model 1861 Percussion ''Bannerman's Special'' Cadet Rifle

 

[DocCasualty]

Hey guys a buddy just bought this. He thinks it's a Springfield. What say you? View attachment 1172715 View attachment 1172711 View attachment 1172712 View attachment 1172713 View attachment 1172714 View attachment 1172715
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OP I know it’s not necessarily cool to direct folks to other sites but you might consider asking at a couple of blackpowder/muzzleloader forums like at Black Powder or Firearm Identification or Smoke Pole - Blackpowder Forum