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.




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