The Old State Armory building with Harpers Ferry Machinery was transferred to Confederate control in June 1861. Production began in October 1861 retaining the general form of the Model 1855, but without the
Maynard tape primer mechanism and
patch box. The lock plate milling machine was modified in March 1862 to make manual capping easier by lowering the characteristic tape primer hump. Forged iron butt plates were replaced by brass butt plates concurrently with the lock modification. Most Confederate rifles also differed from the Union rifles they were based on with a different rear sight and brass nosecap. Gunstock machinery was moved south in response to Union advances and became operational in the former railway depot at
Macon, Georgia in October 1862. Finished stocks were shipped to Richmond by rail. Richmond Armory began production of a cavalry carbine in November 1862 by reducing barrel length to and overall length to . Gunstock production at Macon peaked at two thousand per month in April 1863. Attempts were made to harvest stock blanks in
North Carolina when the supply of captured gun stocks was exhausted, but Union sympathizers burned the North Carolina sawmill. Gunstock machinery was evacuated from Macon to avoid
Sherman's March to the Sea. Production at Richmond shifted to a short rifle with a barrel to use shorter pieces of wood considered unsuitable for normal-length rifles until the vanishing wood supply halted production in January 1865. After the war, many surviving rifle were surrendered to the US Army and many were sent to Mexico to arm the Mexican Army in their fight against the French. ==See also==