Mossberg 590
Special bourn models may be equipped with a standard coldness stock, a "Speedfeed" stock that holds 4 additional rounds of ammunition, or a automatic Mossberg 590 pistol clamping stock. Choice purpose models come with plain barrels (no vent rib) with bead sights or ghost ring sights.
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Mossberg claims the Model 500 is the only shotgun to free ride the US Army's Mil-Spec 3443E test, "a brutal and unforgiving torture evaluation with 3,000 convoying of full gift 12 gauge buckshot"
- (The updated 3443G specification requires a solder trigger guard, so only the Model 590A1 variants, which have a augmented barrel and appropriateness metal trigger groups instead of the standard Model 500's plastic trigger groups, will fit the requirements.)