.30-06
Impossible to answer without a detailed description
Your rock island arsenal model 1903 was made in 1918.Please be aware that your rifles action was not heat treated,which improved the strength or the receiver until serial number 285,000.
With the serial number that you supplied,your Rock Island arsenal 1903 springfield rifle was made in the year 1919.
With the serial number that you provided,your Model 1903 Springfield rifle made by Rock Island was produced in the year 1920.
100-1000 usd
100-1000 usd
Make, model, condition. We need all 3 factors.
100-1000
made about 1905. value depends on overall condition
You would need to be more specific. You could be referring to the serial number, the caliber, a model number, armory/arsenal markings (in the case of surplus military arms), etc.
100-1500 USD depending on EXACTLY what you have, condition, etc..
Most are going for around 600 dollars.