Rock Island STK100 Features
Striker-fired pistol fans, rejoice. The STK100 boasts an aluminum grip that adds just enough weight to reduce felt recoil while still being comfortable to carry all day. This 9MM 17-round gem has a textured grip angled like a 1911 grip to give you greater control. With a patent-pending frame designed for durability, It has all the advantages of metal for the price of a polymer.
Rock Island STK100 Specifications
- Model: STK100
- Type: Semi-auto Pistol
- Action: Double / Single Action
- Caliber/gauge: 9mm
- Finish: Parkerized
- Finish Type: Applied Finish
- Frame: Steel Frame
- Stock/grips: Black Aluminum
- Grip Type: Other
- Barrel: 4.5″
- Overall Length: 7.9″
- Rate-of-twist: 1-in-16″
- Capacity: 17 + 1
- # Of Magazines: 1
- Mag Description: 17 Rd.
- Sights: 3-dot Sights
- Sight Type: Fixed Sights
- Weight: 1.8 Lbs.
- Case: Plastic Case
- Addl Info: Optic-ready Slide
- Addl Info: Modular Aluminum Frame
- Addl Info: Lightening Cuts/serrations
| Barrel Length | 4.5 |
|---|---|
| Caliber | 9mm |
| Capacity | 17 |
| Condition | New in Box |
| Finish Per Color | Black |
| Frame Per Material | Aluminum |
| Manufacturer | Rock Island Armory |
| Manufacturer Part Number | 56625 |
| Model | STK100 |
| Type | Semi Auto Handguns |
| UPC | 4806015566250 |
Frequently Asked Questions About This Product
Why buy Rock Island Armory STK100 9mm 4.5" Barrel 17-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 STK100 9mm 4.5" Barrel 17-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 STK100 9mm 4.5" Barrel 17-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: HANDGUNS, Semi Auto Handguns.
What tags or features does this product have?
Key features and tags for this product include: HANDGUNS, Semi Auto 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 STK100 9mm 4.5" Barrel 17-Rounds
All firearms, including the Rock Island Armory STK100 9mm 4.5" Barrel 17-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 STK100 9mm 4.5" Barrel 17-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.

