Shadow 4.5" Barrel MR/XR Threaded - Black
$186.56
$234.00
(You save
$47.44
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- Barrel Length:
- 4.5"
The Shadow Systems 4.5" Barrel MR/XR Threaded in black is a precision pistol barrel engineered for shooters running Shadow Systems MR920, XR920, or MR918 platforms who want reliable performance and versatility. This threaded barrel maintains the exacting standards Shadow Systems applies to lockup consistency and chamber support, letting you shoot with confidence whether you're running standard loads or pushing hotter ammunition. The fully supported chamber handles lead bullets and modern defensive ammunition without compromise.
Built from a durable titanium copper nitride finish, this 4.5" barrel pairs the durability of premium coating with a professional matte-black appearance. The spiral fluting reduces weight and aids cooling between strings of fire—a practical touch for shooters who spend extended time at the range or in training. Shadow Systems barrels are subjected to rigorous proof testing; production samples have survived multiple proof rounds well beyond standard commercial ammunition pressures, which speaks to the engineering and quality control behind every barrel that leaves their shop.
Whether you're upgrading your MR920 or XR920 for modularity, chasing accuracy at distance, or simply swapping to a threaded option for suppressor capability, this barrel delivers the fit and finish you'd expect from a manufacturer known for taking the details seriously. It's the kind of component that works quietly in the background—solid lockup, no surprises, no excuses.
Key Features
- Fully supported chamber rated for hot ammunition and lead bullets
- Precision lockup designed for consistency and reliability
- Titanium copper nitride finish for durability and corrosion resistance
- Spiral fluted design for reduced weight and improved cooling
- Threaded for suppressor mounting or muzzle device compatibility
- Compatible with Shadow Systems MR920, XR920, and MR918 platforms
Specifications
| Brand | Shadow Systems |
| Barrel Length | 4.5" |
| Finish | Titanium Copper Nitride |
| Threading | Yes |
| Compatibility | MR920, XR920, MR918 |
| Chamber Support | Fully Supported |
Frequently Asked Questions
What pistols does this barrel fit?
This Shadow Systems barrel is designed for MR920, XR920, and MR918 platforms. It's a direct fit for these models without modification.
Can I shoot lead bullets and hot loads through this barrel?
Yes. The fully supported chamber is engineered to handle lead bullets and higher-pressure ammunition safely. Shadow Systems tested production samples through multiple proof rounds to verify durability beyond commercial ammunition standards.
Is the barrel threaded for a suppressor?
Yes, the 4.5" barrel features threading, making it compatible with suppressors and other muzzle devices that match your platform's thread pitch.
Why choose the spiral fluted design?
Spiral fluting reduces the barrel's weight and helps with heat dissipation during extended shooting sessions, which can matter during competitions or training courses.
