Hunting the Washington Sniper - 2002 TV is rated/received certificates of:
UK:15
Sniper's Ridge - 1961 is rated/received certificates of: USA:Approved
The Sniper - 1952 is rated/received certificates of: Sweden:15 USA:Approved (certificate #15575)
The Many Moods of Sniper - 2011 is rated/received certificates of: UK:AA
Sniper Inside the Crosshairs - 2009 TV is rated/received certificates of: Singapore:PG13
Sniper Elite V2 - 2012 VG is rated/received certificates of: Singapore:ADV UK:15
Top Sniper 2 - 2009 Science 2-1 is rated/received certificates of: USA:TV-PG
Combat Pawn - 2012 Sniper Rifle Challenge 1-1 is rated/received certificates of: USA:TV-14
Top Sniper 2 - 2009 Urban Combat 2-2 is rated/received certificates of: USA:TV-PG
D-C- Sniper 23 Days of Fear - 2003 TV is rated/received certificates of: Australia:M Germany:12 Netherlands:12 UK:12
A "sniper rifle" is simply a rifle employed for that purpose. So long as the "sniper rifle" meets the criteria and restrictions for hunting firearms in the state you're hunting in, you can use it.
Sniper 2 - 2002 V is rated/received certificates of: Argentina:16 Australia:M Germany:16 Hungary:16 Iceland:16 Netherlands:12 Singapore:NC-16 South Korea:12 UK:15 USA:R (certificate #39175)
A sniper rifle is simply a rifle used by a military sniper. Just about every gun shop will carry hunting rifles. The type will vary depending on what you are hunting- squirrels, rabbit, deer, turkey, bear, elk or elephants. What you are calling a "sniper rifle" is simply a bolt action center fire rifle with a telescope.