The Shadow Systems MR/XR, 4.2", Nitride, Black is a barrel, chambered in 9MM. Barrel length is 4.2". Ships at approximately 8 oz. No FFL required for this accessory part. Available at Lakeline LLC, a US Navy Veteran-Owned and Osage Nation Tribe Member-Owned company based in Houston, TX. If shown in-stock (available to put in cart), unit ships in 1-2 days.
Specifications
Core Specs
| Spec | Value |
|---|---|
| Brand | Shadow Systems |
| Model | MR/XR |
| SKU | SGK-MRP-NIT |
| UPC | 810120314907 |
| Type | Barrel |
| Caliber | 9MM |
Details
| Spec | Value |
|---|---|
| Barrel Length | 4.2" |
| Finish | Nitride |
| Color | Black |
| Shipping Weight | 8 oz. |
Legal & Fitment Notes
| Spec | Detail |
|---|---|
| FFL Required | No - this is a replacement/upgrade part, not a complete firearm or receiver |
| Fitment | Always confirm exact model, generation, and configuration compatibility before ordering - barrels are not universal across variants |
Product Description
Shadow Systems builds match-grade, spiral-fluted barrels aimed at owners of its own MR/XR-series pistols.
A Shadow Systems barrel and compensator kit is built specifically for its own pistol platform rather than as a universal aftermarket part.
Parts are typically direct-fit for the specific listed Shadow Systems model - always confirm your exact model before ordering.
Why Buy From Lakeline LLC
Lakeline LLC is a US Navy Veteran-Owned, Osage Nation Tribe Member-Owned company based in Houston, TX.
- Free shipping and no fees
- 30-day return policy (unused, in original packaging)
Questions about fitment? Email us at info@lakelinellc.com before ordering.
Frequently Asked Questions
Does the Shadow Systems MR/XR, 4.2", Nitride, Black require an FFL to purchase?
No. This is an accessory/part, not a complete firearm, so it ships without an FFL transfer.
Will this fit my pistol?
Always verify your exact model, generation, and configuration against the manufacturer's fitment list before ordering.
Does this come with a warranty?
Check with Shadow Systems directly for their specific warranty terms at 469-828-0025.
