Killing Ragheads with 50 Cal. Sniper RifleRead first before watching the video. Canadian Sniper in Afghanistan. These video shots are not made through the shooter's telescopic sight... they are made looking through the spotter's scope. The spotter lies right next to the sniper and helps the sniper to find and home in on the target. The sniper is using a 50 caliber rifle. A 50 cal. round is about 7-8 inches long and the casing is about an inch in diameter. The bullet itself is one- half inch in diameter and roughly one and one-half inches long. The sniper is also about a half mile away... or more. A Canadian sniper in Afghanistan has been confirmed as hitting an enemy soldier at a range of 2,310 meters, the longest recorded and confirmed sniper shot in history.