View Full Version : .22 LR rifle muzzle range ???
22-12-2010, 10:40 PM
i have the .22 LR rifle semi auto CHZEC made... it has a long barrell. so i wana know tht wat is its max range n wats the effective range ??
23-12-2010, 06:00 PM
The bullet can travel upto a distance of 1.5 KM and can cause grevious injury at a KM or so.
Now the effective range is related to the size of the target. If the vital area is about 4 inches like for a large bird or a Rabbit or jackal then between 70 to 90 yds is the max without hold over. If you hold over correctly estimating the range and trajectory you could go on to another 25 to 60 yards
A firearm's effective range is judged based upon the range at which one shot, carefully fired by an expert marksman, is guaranteed to strike the target.
Local atmospheric conditions, properties and velocity of the bullet, properties of the target and the desired terminal effect are major relevant factors that determine the effective range
Muzzle velocity is important here, mainly because it determines the degree of muzzle drop, as well as the point at which the round goes subsonic. When bullet's velocity drops below the speed of sound, its trajectory is disturbed. From that point it begins to tumble, and its accuracy goes downhill very quickly.
To be more precise there are two kinds of Effective range:-
1. Absolute maximum effective range: the point at which the projectile's kinetic energy dips below 85 joules (62.7 foot-pounds).
2. Maximum effective range on a point target: This is the maximum range at which an average shooter can hit a human-sized target 50% of the time and an expert shooter 100% of the time. "Point target" is basically a euphemism for hitting a human torso sized area in this context.
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