$35.59
Availability: In Stock
If you run an MKA 1919 or Iver Johnson Stryker 12-gauge semi-auto, magazine capacity matters when you're on the range or in the field. The ProMag 20-round drum magazine for MKA 1919 & Iver Johnson Stryker 12 Gauge 2 3/4" gives you serious round count in a compact footprint—built from durable polymer and engineered to handle extended shooting sessions without compromise. This is the kind of upgrade that turns a good shotgun into a workhorse.
ProMag has been manufacturing magazines in the USA for decades, and they back every unit with a lifetime guarantee against manufacturer defects. The 20-round capacity paired with polymer construction keeps weight reasonable while maintaining the reliability you need when it matters. Whether you're running drills at the range or looking to maximize firepower in a duty or home-defense setup, this drum delivers consistent performance.
The magazine springs are precision-wound from heat-treated chrome silicon wire and assembled under a quality-control protocol that catches nothing short of perfection. Every step of production is checked and double-checked, which is why ProMag magazines have earned a reputation for long-term reliability across thousands of builds and platforms.
| Capacity | 20 rounds |
| Gauge | 12 Gauge |
| Shell Length | 2 3/4" |
| Material | Polymer |
| Color | Black |
| Compatibility | MKA 1919, Iver Johnson Stryker |
| Spring Material | Heat-treated chrome silicon wire |
| Manufacturer | ProMag (USA) |
| Warranty | Lifetime against manufacturer defects |
Yes—the ProMag 20-round drum is specifically designed for the MKA 1919 and Iver Johnson Stryker 12-gauge shotguns. It accepts 2 3/4" shells, so verify your ammunition matches that length.
This drum magazine holds 20 rounds, significantly increasing your firepower compared to factory tube magazines or standard box mags.
Yes, ProMag manufactures this magazine in the USA and includes a lifetime guarantee against manufacturer defects.
ProMag uses precision-wound chrome silicon wire that is heat-treated for durability, and every magazine undergoes multiple quality checks during assembly to ensure consistent feeding and long-term performance.
SKU: 115648051 • Width: 9.5in • Height: 4.1in • Depth: 14.1in • Weight: 3.1oz
Availability: In Stock
If you run an MKA 1919 or Iver Johnson Stryker 12-gauge semi-auto, magazine capacity matters when you're on the range or in the field. The ProMag 20-round drum magazine for MKA 1919 & Iver Johnson Stryker 12 Gauge 2 3/4" gives you serious round count in a compact footprint—built from durable polymer and engineered to handle extended shooting sessions without compromise. This is the kind of upgrade that turns a good shotgun into a workhorse.
ProMag has been manufacturing magazines in the USA for decades, and they back every unit with a lifetime guarantee against manufacturer defects. The 20-round capacity paired with polymer construction keeps weight reasonable while maintaining the reliability you need when it matters. Whether you're running drills at the range or looking to maximize firepower in a duty or home-defense setup, this drum delivers consistent performance.
The magazine springs are precision-wound from heat-treated chrome silicon wire and assembled under a quality-control protocol that catches nothing short of perfection. Every step of production is checked and double-checked, which is why ProMag magazines have earned a reputation for long-term reliability across thousands of builds and platforms.
| Capacity | 20 rounds |
| Gauge | 12 Gauge |
| Shell Length | 2 3/4" |
| Material | Polymer |
| Color | Black |
| Compatibility | MKA 1919, Iver Johnson Stryker |
| Spring Material | Heat-treated chrome silicon wire |
| Manufacturer | ProMag (USA) |
| Warranty | Lifetime against manufacturer defects |
Yes—the ProMag 20-round drum is specifically designed for the MKA 1919 and Iver Johnson Stryker 12-gauge shotguns. It accepts 2 3/4" shells, so verify your ammunition matches that length.
This drum magazine holds 20 rounds, significantly increasing your firepower compared to factory tube magazines or standard box mags.
Yes, ProMag manufactures this magazine in the USA and includes a lifetime guarantee against manufacturer defects.
ProMag uses precision-wound chrome silicon wire that is heat-treated for durability, and every magazine undergoes multiple quality checks during assembly to ensure consistent feeding and long-term performance.
SKU: 115648051 • Width: 9.5in • Height: 4.1in • Depth: 14.1in • Weight: 3.1oz