Marlin Model 25MG

{{Infobox weapon

| name = Marlin Model 25MG{{cite book|last = Shideler| first = Dan| title = 2010 Standard Catalog of Firearms: The Collector's Price and Reference Guide | publisher = Gun Digest Books| year = 2010| isbn =0-89689-825-3|page=725}}

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| origin = United States

| type = Shotgun

| is_ranged = yes

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| manufacturer = Marlin Firearms Company

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| production_date = 1999—2002

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| weight = {{convert|5.75|lb}}

| length = {{convert|41|in}}

| part_length = {{convert|22|in}}

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| cartridge = .22 WMR CCI snake shot

| cartridge_weight = {{convert|52|gr}}

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| action = Bolt action

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| velocity = {{convert|1000|ft/s|abbr=on}}

| range = {{convert|50|ft|yd m}}

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| feed = Detachable 7-round box magazine

| sights = fluorescent orange front bead

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The Marlin Model 25MG is a smooth bore, bolt-action, .22 WMR rifle manufactured by Marlin firearms Company. It was designed to shoot snake shot and marketed as a "Garden Gun" for use in dispatching small garden and farm pests. It also has been used for airport and warehouse pest control.

Based on earlier Marlin .22-caliber designs, the Garden Gun was equipped with a high-visibility front sight but no rear sight. It was available with either a black synthetic stock or a straight-combed hardwood stock.