Measuring Up: Gauge vs. Caliber - How Shotguns Work

To do its job, a projectile must both make contact with the target and hit the target in a critical spot. If a rifle is like using a felt-tip pen, a shotgun is like using a can of spray paint.

12 Gauge vs. 20 Gauge: Understanding Shotgun Gauges

How to Identify the Caliber Gauge of a Firearm

Why I prefer the 20-gauge shotgun to hunt ducks

Guide to Shotgun Gauge

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12-Gauge Deagle: Created by fusing shotgun with your current

What's on the Box: How to Choose the Right Shotgun Shells

Shotgun Ammo 101 Shotgun Ammo Explained

Measuring Up: Gauge vs. Caliber - How Shotguns Work

Gauge (firearms) - Wikipedia

Shotgun Shells and Shot Size: Everything You Need to Know

What does caliber mean for a gun? What does gauge mean? What is