Wad

Posted in: Shooters Glossary

Within the hull of many shotguns shells, or shotshells, you will find a “wad” behind and around the “shot column” or projectiles. The wad is the vehicle that the projectiles are propelled in, out of the chamber, down the barrel, and downrange (for just a little bit) before the shot cluster begins to travel through the air on its own. The shot cluster, on its own, would have trouble trapping all the pressure of the propellant behind it in the barrel, so the wad helps by sealing the barrel behind the shot cluster, pushing the shot cluster forward so it can gain its full velocity.

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