References in periodicals archive ?
On October 7, 2001, the Violence Policy Center (VPC), an influential anti-gun lobby group, released a 100-page, alarmist screed entitled Voting from the Rooftops: How the Gun Industry Armed Osama bin Laden, other Foreign and Domestic Terrorists, and Common Criminals with 50 Caliber Sniper Rifles.
Fifty caliber rifles are indeed sophisticated weapons, and have proven effective for both military and police use.