1 trillion
Yes, so long as it isn't an m5a1 and is the 1905 model you should be fine.
http://www.surplusrifle.com/03a3/operations.asp
100-1000 USD depending on condition, accessoires.
50-600 or so
Remington Firearms Company during WW2
That is a Springfield rifle I believe.
None of the 03A3's are antigues
03A3
line up the target on the top of the front sight while sighting the front sight through the rear peep sight.
No such thing. You can have small caliber but not low caliber.
Surplusrifle.com has a detailed, step by step process. Look for the links on the left side of the page under the Maintenance heading. http://www.surplusrifle.com/03a3/index.asp
the are also chambered for the 38 caliber, 9mm caliber and 22 caliber