| gptkbp:instanceOf | gptkb:shooting 
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                                | gptkbp:action | pump-action 
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                                | gptkbp:barrelLength | 18.5 inches 20 inches
 14 inches
 
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                                | gptkbp:chamber | 3 inches 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:designedFor | military use 
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                                | gptkbp:endDate | parkerized matte blue
 
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                                | gptkbp:feature | gptkb:shield bayonet lug
 sling swivels
 
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                                | gptkbp:focusArea | bead sight ghost ring sights
 
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                                | gptkbp:gauge | 12 gauge 
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                                | gptkbp:introduced | 1987 
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                                | gptkbp:magazine | tubular magazine 
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                                | gptkbp:magazineCapacity | 5+1 8+1
 
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                                | gptkbp:manufacturer | gptkb:O.F._Mossberg_&_Sons 
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                                | gptkbp:material | heavy-walled barrel metal safety button
 metal trigger guard
 
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                                | gptkbp:militaryStandard | gptkb:MIL-S-3443 
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                                | gptkbp:notableFor | durability military acceptance
 
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                                | gptkbp:relatedModel | gptkb:Mossberg_500 gptkb:Mossberg_590
 
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                                | gptkbp:stockExchange | gptkb:wood synthetic
 
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                                | gptkbp:usedBy | gptkb:United_States_Armed_Forces law enforcement agencies
 
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                                | gptkbp:usedIn | gptkb:Gulf_War gptkb:Iraq_War
 gptkb:Afghanistan_War
 
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                                | gptkbp:weight | 7 pounds 
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                                | gptkbp:bfsParent | gptkb:Greek_regular_army 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Mossberg 590A1 shotgun 
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