basically just remove the bolt then insert a small oil patch down the barrel with a rifle leaning rod.
use the same oiled patch to wipe the metal on the rest of the rifle.
Ask a gunsmith for help if you don't know how.
None of the 03A3's are antigues
depending on condition a Smith Corona 1903-A3 should bring from $700 to $850
Could be anywhere from $300 to upwards of $1500, depending on condition, whether or not the parts match, etc.
The value of a collectible military rifle will be driven- in a large part- by the condition. $700 to $1000 for a good specimen that is still in the military configuration (not "sporterized")
The value of a US Smith Corona Model 03-A3 Bolt Action Rifle typically ranges from $600 to $1,200, depending on its condition, completeness, and any historical significance. Factors such as matching serial numbers, original parts, and provenance can significantly influence its market price. Collectors often seek these rifles for their historical importance, as they were used during World War II. Always consult recent sales or a firearms appraiser for the most accurate valuation.
What is value of a US Remington Model 03-A3?
Yes.
1 trillion
$300-$600 range
You will have to get it appraised to find out.
What is the value of a 03 a3