.22 m1917 or p14

[Promo]

Thanks Georg, theres another thread somewhere, think it was Paul Bleaky who posted it ? part of the body was machined away were the bolt locking lug would lock, it was done to aid loading.

Maybe this: https://www.milsurps.com/showthread.php?t=63845
Or this: https://www.milsurps.com/showthread.php?t=63831