If your query refers to a publication or social media identifier:
: It featured a falling-block action where the breechblock dropped down to reveal the chamber. sharpes1867
The Model 1867 was a single-shot, breech-loading weapon developed as a conversion of older Sharps percussion carbines . After the American Civil War, the U.S. government held approximately 50,000 obsolete percussion carbines; the 1867 conversion allowed these weapons to fire the new . If your query refers to a publication or