https://www.milsurps.com/images/impo...61970bpi-1.jpg No rear sights
http://www.milsurps.com/images/impor...12970bpi-1.jpg Bolts in Rifle
https://www.milsurps.com/images/impo...61970bpi-1.jpg No rear sights
http://www.milsurps.com/images/impor...12970bpi-1.jpg Bolts in Rifle
The Navy kept their front sights, the Army didn't. M1 bayonets for the Army and M5s for the Navy, interesting differences.