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The crimp on a shotgun shell is easy to overlook, but this simple aspect of reloading holds a lot of sway over the ammunition's performance.

Shotgun Shell Crimp Styles and Performance

The crimp on a shotgun shell is almost taken for granted, but it plays important roles in the functioning of the ammunition. From keeping the shot and powder in place to helping control the burn rate, a proper crimp is vital in reloading ammo.