Kevin, All Mossberg 500 series pump shotguns have same action.----------Introduced in 1960, all model 500s are based on the same basic concept designed by Carl Benson. Originally using a single action bar that was known to bind and even break, this was ch
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Anonymous
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It might be the biggest different factor between 500 and 590 that you should consider carefully. The magazines of model 500 are closed at the muzzle end, and it is held in place by bolting into the threaded hole at the end point of the magazine tube. Howe
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Anonymous
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Kevin, the 500 & 590 are the same "Action" Sir. Great details reviewed here : https://rifleshooter.com/2017/09/remington-870-v-mossberg-500-v-mossberg-590-comparative-design-notes/
