EntityQ4443847· pop 7· linked from 303 articlespen gunSign in to savefirearm that resembles an ink penConnectionscarbineEntityrifleEntitygun barrelEntitysawn-off shotgunEntityprimerEntitycenterfire cartridgeEntitysingle-shot firearmEntityunderwater firearmEntityelephant gunEntitywarEntityweaponEntityInternational Standard Book NumberEntityhuntingEntitygunpowderEntityfirearmEntitycalligraphyEntitymachine gunEntitypenEntityFederal Bureau of InvestigationEntityQ37116EntityCategories.22 LR firearmsConcealable firearmsPens