03a3 collector, just got my first carbine from South Store. Inland service grade, no. 5103***, 3-43 Inland, GM barrel. Stock has strong crossed cannons on right side, has an 0 and an RSG (C or O?) in the slingwell, and an AAF above the trigger on the left side, as well as a P on the grip.

Handguard is marked O RMC
Front sight: N
rear sight: appears to be an ordinance wheel
safety: M inside a circle
hammer: M
Bolt: 3 P6N and an M
recoil plate: SG
front band w/bayonet lug: SA

I liked the strong crossed cannons on the stock (best of about 30 SG carbines there) and took it to the counter. It measured less than 1 on the muzzle guage. Am well pleased with it. Don't know much about the markings. Is this a replacement stock or original?

Thanks in advance. Will try to post pics later this week.
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