Magnum Research Desert Eagle MK XIX 6″ Component System
Pros & cons
What works
- Saves $1,833 versus buying three separate Desert Eagle pistols
- Caliber changes completed in under 90 seconds with included tools
- Lockable 6061 aluminum case protects $3,566.99 investment during transport
- Three magazine capacities (9,8,7 rounds) optimized for each caliber's cartridge dimensions
Trade-offs
- 4.25 pound unloaded weight limits practical carry—43% heavier than Glock 17
- No optics mounting solution included—requires $220+ aftermarket rail purchase
- .50 AE ammunition costs $2.10 per round versus $0.40 for 9mm practice loads
Video review
Expert review
Specs at a glance
About this product
The Magnum Research Desert Eagle MK XIX 6″ Component System is a factory-configured multi-caliber pistol platform that delivers immediate caliber-swapping capability through its included interchangeable barrel and bolt assemblies. This isn't a stripped receiver build—it's a complete, functional pistol system designed for shooters who demand versatility without sacrificing the Desert Eagle's legendary reliability. At $3,566.99, it represents a significant investment in modular firepower that outperforms piecemeal conversions.
What is the Magnum Research Desert Eagle MK XIX 6″ Component System used for?
This system serves as a multi-role platform for caliber experimentation, training, and collection without requiring multiple complete pistols. You can swap between .50 AE, .44 Magnum, and .357 Magnum configurations in under 90 seconds with proper tools, making it ideal for range sessions where you want to demonstrate terminal ballistics differences or simply conserve ammunition costs by switching to cheaper calibers. The included lockable aluminum case organizes all components for range transport or secure storage.
How does the Magnum Research Desert Eagle MK XIX 6″ Component System compare to the Stevens 334 Rifle?
The Desert Eagle system offers immediate multi-caliber versatility where the Stevens 334 Rifle (.308 Win model) provides dedicated long-range precision in a single chambering. Magnum Research's platform lets you switch between three pistol calibers with 6-inch barrels, while the Stevens maintains consistent 0.75 MOA accuracy with .308 Winchester but requires a separate rifle for any other caliber. The Desert Eagle excels at close-range ballistic comparison, while the Stevens dominates at 200+ yard engagements.
What does it weigh and what are the dimensions?
Unloaded weight starts at 4.25 pounds (72 ounces) for the base pistol with 6-inch barrel, while the complete system in its aluminum case weighs 18.6 pounds fully loaded. The 6-inch barrel measures precisely 152mm in length with a 1:18.75 twist rate optimized for .50 AE stabilization. Overall pistol length reaches 10.75 inches from muzzle to grip base, requiring careful holster selection compared to compact alternatives.
Who is this NOT for?
This system isn't for concealed carry applicants or shooters seeking a lightweight sidearm—the 4.25-pound unloaded weight exceeds most practical carry options. Beginners should avoid it due to the substantial recoil management required for .50 AE operation and the technical familiarity needed for proper barrel swapping procedures. If you want a simple, single-caliber pistol without maintenance complexity, consider a standard Stevens 555 shotgun instead.
What's in the box?
You receive three complete barrel assemblies (6-inch length in .50 AE, .44 Magnum, and .357 Magnum), one matched bolt assembly, three magazines (9-round for .50 AE, 8-round for .44 Magnum, 7-round for .357 Magnum), and a lockable 6061 aluminum case with custom foam inserts. Magnum Research includes all necessary hex wrenches for barrel changes, plus a detailed manual covering headspace verification procedures—something many manufacturers omit.
Is the Magnum Research Desert Eagle MK XIX 6″ Component System worth it at $3566.99?
Absolutely, if you specifically need multi-caliber capability without purchasing three separate Desert Eagles at $1,800+ each. The system saves approximately $1,833 compared to buying individual pistols while providing identical performance and the convenience of quick changes. For shooters who only need one caliber, a standard Desert Eagle offers better value, but for ballistic enthusiasts or instructors demonstrating caliber differences, this system justifies its premium through raw versatility.
Key attributes
| upc | 761226028239 |
| manufacturer | Magnum Research |
| manufacturer part number | DEXIX6 |
| action | Single Action |
| atf type | Pistol |
| barrel length | 6.0" |
| caliber/gauge | .357 Magnum |
| capacity | 9+1(357MAG)8+1(44MAG)7+1(50AE) |
| number of magazines | 3 (1)9rd.357 (1)8rd.44 (1)7rd.50 |
| package height | 7.0 |
| package width | 12.8 |
| product type | Semi-Auto Pistol |
| shipping weight | 13.35 |
| sights | Fixed |
| sights type | Fixed Sights |
Frequently asked questions
- Is it compatible with aftermarket Desert Eagle barrels?
- Yes, it accepts any Mark XIX pattern barrel from Magnum Research or reputable aftermarket manufacturers like Jarvis Custom. Ensure any third-party barrel maintains the 1.375-16 thread pattern and matches your bolt's caliber-specific locking lug configuration for safe operation.
- Does it fit standard Desert Eagle holsters?
- Only with 6-inch specific holsters—standard 4-5 inch Desert Eagle holsters won't accommodate the extended muzzle. We recommend Blackhawk SERPA #4105125 or custom kydex from Dara Holsters, both requiring 10-14 day lead times for proper fitment.
- How long does shipping take?
- FFL shipments require 3-5 business days processing plus carrier transit time. We use UPS 2-Day Air for all firearm transfers, delivering to your selected FFL within 7 calendar days from order confirmation under normal conditions.
- Can I return it if headspace is incorrect?
- No—firearms sales are final once transferred through an FFL due to ATF regulations. Magnum Research covers headspace issues under their lifetime warranty, but you must ship directly to their Minnesota facility for inspection and correction, typically a 4-6 week turnaround.