Wikipedia:
The M1903 Springfield, formally the United States Rifle, Caliber .30-06, Model 1903, is an American 5-round magazine fed, bolt-action service repeating rifle, used primarily during the first half of the 20th century. The integral magazine could be top-loaded from a 5-cartridge stripper clip
It was officially adopted as a United States military bolt-action rifle on June 19, 1903, and saw service in World War I.


Springfield 1903 rifle specifications

Length
43.2 IN
Length of Barrel
24 IN
Magazine Capacity
5
Caliber
.30-06


The Warner-Swasey scope was used by snipers and sharpshooters with the Springfield.