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Marlin 512 Slugmaster 12 Gauge Used Trade-in Bolt-action Shotgun

Original price was: $229.99.Current price is: $187.90.

Marlin 512 Slugmaster is a used, trade-in bolt-action shotgun, chambered in 12 gauge for rifled slugs – in stock and ships within 24 hours from Missouri.

SKU: 5503363 Categories: ,

Description

The Marlin 512 Slugmaster is a purpose-built, bolt-action shotgun designed for exceptional accuracy with rifled slugs. Manufactured by Marlin Firearms, this 12-gauge model features a heavy, rifled barrel and a robust steel receiver to deliver consistent performance for hunting and target shooting. This specific example is a used trade-in, offering a proven and reliable platform at a value-focused price point.

Key Features

  • Bolt-action design for enhanced lockup and accuracy potential.
  • Heavy, rifled 12-gauge barrel optimized for sabot and foster-type slugs.
  • Durable steel receiver construction built for repeated use.
  • Includes a detachable box magazine for reliable feeding.
  • Used trade-in status provides a cost-effective entry into dedicated slug shooting.

Specifications

Caliber / Type 12 Gauge Bolt-Action Shotgun
Material Steel Receiver & Barrel
Finish Blued Metal, Wood or Synthetic Stock (Varies)
Compatibility Proprietary Marlin 512 box magazines
Weight Approx. 7.5 lbs (varies with configuration)

The Marlin 512 Slugmaster’s bolt-action mechanism provides a rigid, repeatable lockup between barrel and receiver, a key factor for slug accuracy. Its rifled barrel imparts stabilizing spin to projectiles, extending effective range over smoothbore shotguns. Chambered for powerful 12-gauge 2 3/4″ and 3″ shells, it is a dedicated tool for deer hunting in shotgun-only zones or precision slug target work.

✓ In Stock — Ships within 24h✓ Discreet Packaging✓ Secure Checkout✓ USA-Based

FAQ

Is the Marlin 512 Slugmaster 12 Gauge Used Trade-in Bolt-action Shotgun legal?
This firearm is legal for sale to eligible individuals in most states. All buyers must pass a federal background check (NICS) and comply with state and local laws. Restrictions may apply; verify your local regulations before purchasing.
What is it compatible with?
This shotgun uses proprietary Marlin 512 detachable box magazines. It is chambered for standard 2 3/4″ and 3″ 12-gauge shotgun shells, with its rifled barrel specifically designed for use with slugs.
How long does shipping take?
Orders ship within 24 hours from our US warehouse. Standard delivery is 3–7 business days. Expedited options available at checkout.

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