Springfield M1903A4 (sniper) Rifle with a M84 Scope - An American clip-loaded, 5-shot, bolt-action service rifle used primarily during the first half of the 20th century. After Korean War, some numbers of them remained in USMC sniper use as late as the Vietnam War.
M39 A Finnish Mosin Nagant with a PEM side-mounted scope. This one isn’t an actual wartime example, rather a regular M39 with either a reproduction or possibly an actual PEM mount and scope. Genuine Finnish sniper rifles are extremely rare, and even then proving it’s a real example can be difficult.