At least two general contracts.
Remington overhauls with mixed parts, many Remington A3 parts, all different stocks, and stamped parts (CMPsales).
Springfield Armory contract. Army went beyond general deliveries and made a contract with SA for 1903 rifles. 1942 SA barrels, scant stocks with GAW cartouche, all milled parts made by SA including bolts and sights. So far, all stocks found were scant with proof and cartouche and 1942 barrels. Stocks made without A3 ring cut (rumors that some were made with cut).
I will be printing photos of stock markings, bolt and barrel markings etc.
Samples are scarce and more needed for more information. All numbers observed were very high numbers.
It appears that original rifles are scarce. Many appear to be "fixed" to conform to pre war configurations.
(John--can not get emails to you).
Cheers,
Wayne