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Calibers and ammo

Cartridge names, storage and handling.

• Calibers and Cartridges: How to Read Ammunition NamesWhat a cartridge name tells you, why '45 Auto' and '45 ACP' are the same thing, and the one rule that matters most: match the headstamp to the barrel.
• Storing and Handling Ammunition SafelyIndustry guidance on where to keep ammunition, what damages it, when not to fire a round, and why you shouldn't keep re-chambering the same cartridge.