Rock Island Tac Ultra MS Features
The Rock Island TAC Ultra MS introduces a full tactical rail and is built with 4140 Ordnance steel and refined with their carefully managed hand fitting process. It’s chambered in 10mm with a 4.25″ button rifled barrel supported by a full length guide rod and full dust cover. It includes a low profile adjustable rear sight and high visibility fiber optic front sight and is also fitted with a skeletonized hammer and trigger with adjustable over travel stop.
The TAC Ultra MS is finished with a tough parkerzied matte coating and adds battle ready G10 tactical grips. Like all Rock Island 1911s, the Tac Ultra comes with a crisp factory 4- to 6-pound trigger to give you a great experience right out of the box.
Rock Island Tac Ultra MS Specifications
- Brand: Rock Island
- Category: Pistols
- Series: Ultra MS
- Caliber: 10mm Auto
- Model: Tac
- Capacity: 8+1
- Action: SAO
- Frame Finish: Black Parkerized
- OAL: 8″
- Frame Material: Steel
- Hand: Right
- Sight Style: Contrast
- Slide Finish: Black Parkerized
- Slide Material: Steel
- Slide Description: Serrated Black Parkerized Steel
- Gun Platform: 1911-Style
- Grips: Black / Gray G10
- Sight Configuration: Dovetail Front / Adj Rear
- Safety: Beavertail
- Barrel Description: 4.25″ Button-Rifled
- Barrel Length: 4.25″
- Max Capacity: 8
- Weight: 37.70 oz
- Frame Description: Black Parkerized Steel with Picatinny Rail & Beavertail
| Barrel Length | 4.25 |
|---|---|
| Caliber | 10mm |
| Capacity | 8 |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Rock Island Armory |
| Manufacturer Part Number | 51994 |
| Model | Tac Ultra MS |
| Type | 1911 |
| UPC | 4806015519942 |
Frequently Asked Questions About This Product
Why buy Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: 1911, HANDGUNS.
What tags or features does this product have?
Key features and tags for this product include: 1911, HANDGUNS.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds
All firearms, including the Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Rock Island Armory Tac Ultra MS 10mm 4.25" Barrel 8-Rounds is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.

