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Promag
The ProMag M1 Carbine .30 Caliber 50-Round Drum Magazine gives you serious capacity for a classic American rifle. If you shoot an M1 Carbine and want to maximize time on target without reloading, this drum magazine delivers exactly what the name promises: 50 rounds of .30 Carbine in a single mag. It's built in the USA with materials engineered to handle the demands of the platform—a hybrid construction that combines durability with reliability.
ProMag backs their work with a lifetime guarantee against manufacturer defects, and you can tell they mean it by how they build these. The magazine spring is precision wound from heat-treated stainless steel, and the assembly process includes multiple checkpoints to ensure consistency across every unit that ships. The body combines a proprietary Dupont Zytel-based polymer with a steel polymer upper tower, creating a magazine body that resists wear while keeping weight reasonable. The injection-molded follower is designed to feed rounds smoothly through the entire loading cycle.
This isn't a mag you'll find everywhere—high-capacity drums for the M1 Carbine are less common than you'd expect for such a beloved rifle. Whether you're running a collection, setting up a rifle for recreational plinking, or just want the advantage of extended capacity at the range, a 50-rounder changes how you approach the gun. One magazine means half as many reloads compared to standard 15 or 30-round mags.
| Caliber | .30 Carbine |
| Capacity | 50 rounds |
| Fits | M1 Carbine |
| Tube Material | Proprietary Dupont Zytel-based polymer hybrid |
| Spring Material | Heat-treated stainless steel |
| Follower | Injection-molded polymer |
| Upper Tower | Steel polymer hybrid |
| Color | Black |
| Manufacturer | ProMag (USA) |
| Warranty | Lifetime against manufacturer defects |
This ProMag drum is designed to fit U.S. M1 Carbine rifles chambered in .30 Carbine. Verify your rifle's specs before ordering, but it's built specifically for the standard M1 Carbine platform.
Yes. The spring is precision wound from heat-treated stainless steel and engineered for durability. ProMag backs it with a lifetime guarantee against manufacturer defects, so if the spring fails due to a manufacturing fault, you're covered.
A 50-round capacity cuts your reload frequency in half compared to 15 or 30-round mags, which is a significant advantage at the range or during extended shooting sessions. The extended capacity also makes this drum a standout choice for shooters who want to minimize interruptions and maximize continuous trigger time.
Yes. ProMag manufactures this magazine in the USA using their proprietary hybrid polymer and steel construction.
Promag
The ProMag M1 Carbine .30 Caliber 50-Round Drum Magazine gives you serious capacity for a classic American rifle. If you shoot an M1 Carbine and want to maximize time on target without reloading, this drum magazine delivers exactly what the name promises: 50 rounds of .30 Carbine in a single mag. It's built in the USA with materials engineered to handle the demands of the platform—a hybrid construction that combines durability with reliability.
ProMag backs their work with a lifetime guarantee against manufacturer defects, and you can tell they mean it by how they build these. The magazine spring is precision wound from heat-treated stainless steel, and the assembly process includes multiple checkpoints to ensure consistency across every unit that ships. The body combines a proprietary Dupont Zytel-based polymer with a steel polymer upper tower, creating a magazine body that resists wear while keeping weight reasonable. The injection-molded follower is designed to feed rounds smoothly through the entire loading cycle.
This isn't a mag you'll find everywhere—high-capacity drums for the M1 Carbine are less common than you'd expect for such a beloved rifle. Whether you're running a collection, setting up a rifle for recreational plinking, or just want the advantage of extended capacity at the range, a 50-rounder changes how you approach the gun. One magazine means half as many reloads compared to standard 15 or 30-round mags.
| Caliber | .30 Carbine |
| Capacity | 50 rounds |
| Fits | M1 Carbine |
| Tube Material | Proprietary Dupont Zytel-based polymer hybrid |
| Spring Material | Heat-treated stainless steel |
| Follower | Injection-molded polymer |
| Upper Tower | Steel polymer hybrid |
| Color | Black |
| Manufacturer | ProMag (USA) |
| Warranty | Lifetime against manufacturer defects |
This ProMag drum is designed to fit U.S. M1 Carbine rifles chambered in .30 Carbine. Verify your rifle's specs before ordering, but it's built specifically for the standard M1 Carbine platform.
Yes. The spring is precision wound from heat-treated stainless steel and engineered for durability. ProMag backs it with a lifetime guarantee against manufacturer defects, so if the spring fails due to a manufacturing fault, you're covered.
A 50-round capacity cuts your reload frequency in half compared to 15 or 30-round mags, which is a significant advantage at the range or during extended shooting sessions. The extended capacity also makes this drum a standout choice for shooters who want to minimize interruptions and maximize continuous trigger time.
Yes. ProMag manufactures this magazine in the USA using their proprietary hybrid polymer and steel construction.
