Mossberg Flex Model 500 12 Ga Pump Action 28″ Barrel 50121
The Mossberg Flex 500 All-Purpose 12 Gauge pump shotgun features a 28″ vent rib ported barrel with Accu-Choke system (F, IC, M chokes included), 5+1 capacity magazine tube, black synthetic stock, and Tool-Less Locking System for modular customization. Versatile reliable design built for hunting, sport shooting, and multi-purpose use with easy component swaps.
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Description
Mossberg Flex 500 All-Purpose 12 Gauge 28" Barrel 5+1 Black 50121
Mossberg Flex 500 All-Purpose 12 Gauge Black
The Mossberg Flex 500 All-Purpose is a modular pump-action shotgun chambered in 12 Gauge with a 3" chamber, built on the legendary Model 500 platform with innovative Tool-Less Locking System (TLS) for ultimate versatility. Featuring a 28" vent rib ported barrel with Accu-Choke system and included Full, Improved Cylinder, and Modified chokes, it offers adaptable patterning for hunting, sport shooting, or defense in a durable black synthetic configuration. The lightweight aluminum receiver and synthetic stock provide rugged reliability in a balanced 7.5-pound design ready for varied field conditions.
The patented TLS consists of three connecting points allowing tool-free swapping of stocks, forends, and recoil pads to customize the shotgun for specific needs without downtime. Dual bead sights ensure quick target acquisition, while the tang-mounted manual safety and smooth pump action deliver intuitive, dependable operation trusted for decades. With 5+1 capacity in the magazine tube and ambidextrous compatibility through modular components, it adapts seamlessly to different shooters and scenarios.
Perfect for upland bird hunting, waterfowl pursuits, clay target sports, or home defense requiring multi-role capability, the Flex 500 All-Purpose excels where one shotgun must handle diverse tasks efficiently. Its interchangeable components, proven reliability, and choke versatility make it an outstanding choice for shooters seeking a single, adaptable 12 Gauge platform that performs consistently across hunting seasons, range days, and protective duties without compromise.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Mossberg |
| Model | 50121 |
| Action | Pump Action |
| Caliber | 12 Gauge |
| Barrel Length | 28" |
| Overall Length | 48.25" |
| Weight | 7.5 lbs |
| Capacity | 5+1 |
| Sights | Dual Bead |
| Finish | Black |
| Stock | Black Synthetic |
| Trigger | Standard Trigger |
| Magazine | Magazine Tube |
| UPC | 015813501217 |
| MPN | 50121 |
| Condition | New |
Specifications
| Caliber | 12 GA |
At a Glance
- Manufacturer Flex 500
- Model Flex 500
- Caliber / Gauge 12 GA
- MPN 50121
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- Authorized dealer inventory
- Ships in 1-2 business days
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Product Details
| Caliber | 12 GA |
| Manufacturer | Flex 500 |
| Model | Flex 500 |

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