✅ SOLVED Rifle Stock ID?

[romeo-1]

Looking for help in identifying this rifle stock I found in the creek today. It's quite small and looks like it had a brass butt plate. Pictures of the only markings I could find.

 

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[MisterHelix]

Cool find! That curved buttplate is pretty interesting/distinctive. Very straight at the grip, too. Hmm.

 

[romeo-1]

Looks like I may have it identified. Model 1855 Springfield Pistol Carbine! Quite a find in a Nova Scotia creek!