Hey everyone. I recently acquired a Rock Island Arsenal 1903 with a 4 digit serial number. I have researched a majority of the proofs, but need some additional help on figuring out the rest. The only markings on the stock are two letter P's below the trigger gueard, and 4 numbers right above the magazine. The barrel is dated 7-15 by Springfield Armory and has two letter 'P's" on the underside of the barrel along with one letter 'T'. The bolt has S 29 on the lug and the number 2 underneath the bolt handle. There is also the letter 'R' on the piece that houses the firing pin. Attached are pictures of the rifle, I can provide more if needed. Thanks for all the help.
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