Part the First: Overall views and External Details:
At least two things that are important about this weapon: Last US military musket (smoothbore) produced, and the first US military percussion weapon adopted for general issue. Also, see Photo #4d for another "last".
For more historical discussion reference this thread (Click on the underlined links to go there directly):
U.S. Model 1842 Musket- used by both the North and South during the Civil War.
And a Range Report on the very musket shown below:
New and Old: Knight's SR15-E3 IWS and U.S. Model of 1842
https://www.milsurps.com/images/impo...uff03311-1.jpg
#1a
https://www.milsurps.com/images/impo...stuff048-1.jpg
#1b
https://www.milsurps.com/images/impo...stuff049-1.jpg
#1c
https://www.milsurps.com/images/impo...stuff050-1.jpg
#1d
https://www.milsurps.com/images/impo...stuff054-1.jpg
#1e
https://www.milsurps.com/images/impo...stuff064-1.jpg
#1f
https://www.milsurps.com/images/impo...stuff051-1.jpg
#1g
https://www.milsurps.com/images/impo...stuff052-1.jpg
#1h
https://www.milsurps.com/images/impo...stuff053-1.jpg
#1i
https://www.milsurps.com/images/impo...stuff061-1.jpg
#1j