Looking to see what it's worth. I know absolutely nothing about these rifles. The stock seems to be in pretty decent shape. If I'm missing any other markings, let me know.
Barrel stamped:
Inland MFG Div
General Motors
5-44
Barrel band stamped:
AI
Front sight stamped:
N
Rear sight stamped:
PI
Action stamped:
US Carbine
Cal. 30MI
Left side of stock stamped:
S.A
SHM
Crossed cannons
Bottom of pistol grip stamped:
P with a circle around it
Magazine release stamped:
M
Serial number:
1422xx
Barrel stamped:
Inland MFG Div
General Motors
5-44
Barrel band stamped:
AI
Front sight stamped:
N
Rear sight stamped:
PI
Action stamped:
US Carbine
Cal. 30MI
Left side of stock stamped:
S.A
SHM
Crossed cannons
Bottom of pistol grip stamped:
P with a circle around it
Magazine release stamped:
M
Serial number:
1422xx