Answer (1 of 10): Most all gun barrels have rifling that makes grooves on the side of the bullet. Smooth bore shotguns will not leave such groves. The lead slugs usually fired out of shotguns will swell slightly when the powder behind them pushes them out the barrel. If a sabot round is fired the
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What if you push a bullet deeper into the shell casing before firing it? - Quora
What is the safest method to remove a bullet from its casing without firing it and without tools (other than pliers)? - Quora
How should bullets be stored? - Quora
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