NPMcarbine

hey just last sunday i bought a national postal meter carbine and i need to know what was the 4 major parts mad eby NPM iam more of a m1garand guy of croos the recevier and bolt was made by NPM but what other main parts was

heres whats on it now winchester bolt inland trigger house winchester hammer trigger op rod not sure seen no marks raritan RA-P aresonal stock and of cross a underwood barrel dated 3-43 thanks for any insight on this iam not much of a carbine guy

NPM made receivers, trigger housings and bolts. Most other parts were sub-contracted for NPM like: Trimble Nursery (stocks) (TN), Neidner (N) front sights, triggers, sears, hammers, mag catches, firing pins, extractors, and rear sights. I forget about the slides, I will look up later for you.

thanks much one question what kind of stock did they have what make