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The Maximum Practical Range of Slugs & Buckshot
[NRA Shooting Illustrated] This article, "Out of Range?" appeared originally as a Shotguns column in the April 2017 issue of Shooting Illustrated. To subscribe to Shooting Illustrated, visit the NRA membership page here and select Shooting Illustrated as your member magazine.

Do an online search, and you’ll find piles of information about the maximum range of slugs and buckshot. Most base conclusions upon mathematical data, not the real world. Of course, in most in-the-home scenarios, the type of shell used matters little‐provided you can deliver it accurately before your attacker does. But, it is wise to know your limitations.

Fact is, your load’s maximum range alone is worthless. What is important is your maximum practical range (MPR). Your MPR is the maximum distance at which your specific setup‐shotgun, choke, load, sights and your ability‐will stop a threat every time. It includes three factors: Your gun and load’s terminal ballistic performance, the target’s mental and physical makeup and your ability to hit that target.
Posted by: Besoeker 2019-02-17
http://www.rantburg.com/poparticle.php?ID=534526