
Availability: In Stock
If you own a Magnum Research Mark XIX Desert Eagle and want to expand its capability, the MR BBL DE MKXIX 6" .44 Magnum WMD conversion barrel with two magazines gives you a genuine alternative to the factory .50AE setup. This isn't a whole new gun—it's a dedicated conversion barrel that lets you swap calibers on the same frame, making it a practical option for shooters who want to run both magnum handgun rounds without buying a second pistol. The 6-inch barrel length maintains the Mark XIX's signature presence while keeping your setup manageable at the bench or range.
The barrel features an integrated muzzle brake design, which helps manage recoil impulse when you're pushing heavy .44 Magnum loads downrange. The white matte distressed finish matches the aesthetic of the Mark XIX while providing a practical, non-reflective surface. The conversion comes complete with two 8-round magazines, so you have capacity out of the box and a backup mag for extended range sessions.
Swapping between .50AE and .44 Magnum on your Mark XIX is straightforward—you're simply changing the barrel and magazine setup. This approach makes sense for hunters and long-range pistol shooters who appreciate the precision platform of the Mark XIX but want caliber flexibility without the expense of a second firearm. Whether you're testing load development, hunting medium game, or just want to experience what .44 Magnum feels like through a semi-custom pistol platform, this conversion barrel delivers genuine functionality.
| Barrel Length | 6 inches |
| Caliber | .44 Magnum |
| Platform | Magnum Research Mark XIX Desert Eagle |
| Magazine Capacity | 8 rounds (two magazines included) |
| Finish | White Matte Distressed |
| Muzzle Device | Integrated Muzzle Brake |
Yes. This is a dedicated Mark XIX conversion barrel. It's designed to swap onto your existing Mark XIX frame, so you'll need to have the pistol already in your collection to use this barrel.
You receive the 6-inch .44 Magnum barrel with integrated muzzle brake and two 8-round magazines ready to load and shoot.
Yes. The conversion barrel design allows you to swap back to your original .50AE barrel and magazine setup whenever you choose. This is the main advantage of a conversion kit over buying a second pistol.
The integrated muzzle brake is designed to help reduce felt recoil when firing .44 Magnum ammunition. The Mark XIX already has significant recoil management built into its design, and the brake helps further manage the impulse from magnum loads.

SKU: 115718019 • Weight: 2.05oz





Availability: In Stock
If you own a Magnum Research Mark XIX Desert Eagle and want to expand its capability, the MR BBL DE MKXIX 6" .44 Magnum WMD conversion barrel with two magazines gives you a genuine alternative to the factory .50AE setup. This isn't a whole new gun—it's a dedicated conversion barrel that lets you swap calibers on the same frame, making it a practical option for shooters who want to run both magnum handgun rounds without buying a second pistol. The 6-inch barrel length maintains the Mark XIX's signature presence while keeping your setup manageable at the bench or range.
The barrel features an integrated muzzle brake design, which helps manage recoil impulse when you're pushing heavy .44 Magnum loads downrange. The white matte distressed finish matches the aesthetic of the Mark XIX while providing a practical, non-reflective surface. The conversion comes complete with two 8-round magazines, so you have capacity out of the box and a backup mag for extended range sessions.
Swapping between .50AE and .44 Magnum on your Mark XIX is straightforward—you're simply changing the barrel and magazine setup. This approach makes sense for hunters and long-range pistol shooters who appreciate the precision platform of the Mark XIX but want caliber flexibility without the expense of a second firearm. Whether you're testing load development, hunting medium game, or just want to experience what .44 Magnum feels like through a semi-custom pistol platform, this conversion barrel delivers genuine functionality.
| Barrel Length | 6 inches |
| Caliber | .44 Magnum |
| Platform | Magnum Research Mark XIX Desert Eagle |
| Magazine Capacity | 8 rounds (two magazines included) |
| Finish | White Matte Distressed |
| Muzzle Device | Integrated Muzzle Brake |
Yes. This is a dedicated Mark XIX conversion barrel. It's designed to swap onto your existing Mark XIX frame, so you'll need to have the pistol already in your collection to use this barrel.
You receive the 6-inch .44 Magnum barrel with integrated muzzle brake and two 8-round magazines ready to load and shoot.
Yes. The conversion barrel design allows you to swap back to your original .50AE barrel and magazine setup whenever you choose. This is the main advantage of a conversion kit over buying a second pistol.
The integrated muzzle brake is designed to help reduce felt recoil when firing .44 Magnum ammunition. The Mark XIX already has significant recoil management built into its design, and the brake helps further manage the impulse from magnum loads.
SKU: 115718019 • Weight: 2.05oz
