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The Marlin Model 120 Magnum is a 12-gauge pump-action shotgun manufactured between 1971 and 1985 (with some sources indicating 1974-1975 for specific Magnum variants) in North Haven, Connecticut, designed as an affordable, steel-receiver alternative to the Winchester Model 12. The shotgun is known for its heavy-duty construction, walnut stocks, and available 38- to 40-inch \"Goose Gun\" barrels. JM stamped.
Manufacturer:
MARLIN Model:
120 MAGNUM Condition:
Used - Non-Certified Barrels:
30" BARREL Action:
PUMP ACTION Gauge:
12 GA Finish:
blue