Maverick 88 12 gauge -- 28" long barrel (field barrel, way too long to be optimized for home defense) -- for $190, in stock now (probably not for long), no FFL fee if shipped to a Rural King store
https://www.rkguns.com/mossberg-88-all-purpose-12-gauge-pump-action-28-shotgun-31010.html
probably will want to swap out with an 18.5" Mossberg 500 barrel for defensive use. currently out of stock but:
https://www.mossberg.com/store/500-12-gauge-security-barrel-18-5-blued-6-shot-90015.html
https://www.rkguns.com/mossberg-88-all-purpose-12-gauge-pump-action-28-shotgun-31010.html
probably will want to swap out with an 18.5" Mossberg 500 barrel for defensive use. currently out of stock but:
https://www.mossberg.com/store/500-12-gauge-security-barrel-18-5-blued-6-shot-90015.html