Rock Island STK100 Optic-Ready 9mm Tactical Pistol: Black
The Rock Island STK100 Optic-Ready 9mm Tactical Pistol: Black is a 9mm full size handguns from Rock Island Armory. It is available from 4 vendors at $349.99 to $499.99.
Product Information
Name: Rock Island STK100 Optic-Ready 9mm Tactical Pistol: Black
Brand: Rock Island Armory
Category: Full Size Handguns
Caliber: 9mm
Barrel Length: 4.5"
Capacity: 17 rounds
UPC: 4806015566250
SKU: UD1MbypXAo
Description
The Rock Island Armory STK100 is a semi-automatic pistol chambered in 9mm Luger with a 4.5-inch barrel, 17+1 capacity, and a weight of 28.8 oz. The frame and slide are both black anodized aluminum. The slide has an optic cut and serrations. Sights are fixed 3-dot. The frame has a beavertail, lightening cuts, and a Picatinny rail. Action is DA/SA.
Key Specifications
- Model: STK100
- Caliber: 9mm Luger (9x19 Para)
- Barrel Length: 4.5 inches
- Overall Length: 7.9 inches
- Capacity: 17+1 rounds
- Weight: 28.8 oz
- Frame Material: Aluminum, Black Anodized
- Slide Material: Aluminum, Black Anodized
- Sights: Fixed 3-dot
- Action: DA/SA
- Rail: Picatinny
Features
The aluminum frame is the differentiating detail here. Most pistols in this class use polymer. The aluminum construction adds rigidity and a different feel in the hand, and the lightening cuts keep the weight manageable at 28.8 oz.
The optic-ready slide accepts a red dot without an adapter plate. The Picatinny rail accommodates lights and lasers. Fixed 3-dot sights are usable as backup when running an optic.
The DA/SA action requires familiarization. The first shot double-action pull is heavier than subsequent single-action pulls. Shooters coming from striker-fired pistols will need to adjust their trigger management.
Complete Specifications
| Caliber | 9mm |
| Model | STK100 |
| Capacity | 17 rounds |
| Magazines included | 1 |
| Barrel length | 4.5" |
| Overall length | 7.9" |
| Weight | 28.8 oz |
| Action | Single/Double Action |
| Finish | Black Anodized |
| Color | Black |
| Sights | 3-dot Sights |
Frequently Asked Questions
What caliber is the Rock Island Armory STK100?
The STK100 is chambered in 9mm Luger.
Who makes the STK100?
It is made by Rock Island Armory.
What is the barrel length of the Rock Island Armory STK100?
It has a 4.5-inch barrel.
How many rounds does the Rock Island Armory STK100 hold?
It has a 17+1 capacity.
What type of firearm is the Rock Island Armory STK100?
It is a full-size semi-automatic pistol with a DA/SA action and an aluminum frame and slide, both black anodized.
Is the Rock Island Armory STK100 optic-ready?
Yes. The slide has an optic cut for a direct-mount red dot.
Where can I buy the Rock Island Armory STK100?
Compare current vendor offers on this page.
What Reviewers Say
Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.
Rock island armory has been making 1911s for decades and for a budget 1911 they're some of the best on the market.
It's better than the glock it's not incredible or anything it's not like a ppq or a vp9 trigger.
It's heavy but first pro is that it's weighty to give you better recoil management.
Another con to me is while they do have the optics ready which is big you know the sight is mounted to the plate.
I think this is a real winner a real winner like my chicken dinner.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Rock Island STK100 gets broadly positive reviews given its price point, with the aluminum frame and optic-ready slide drawing the most interest.
Value is the most frequently cited strength. Buyers report solid build quality and reliable function at range sessions, and the aluminum frame is seen as a genuine differentiator from the sea of polymer-framed competitors at similar prices. The optic-ready slide is popular. Many owners mount a red dot and use the fixed sights as backup.
Ergonomics get mixed marks. Grip texture and overall feel vary by hand size, and some users suggest the grip could be improved. The DA/SA action is well-regarded by those familiar with the manual of arms, but occasionally mentioned as a learning curve for newer shooters.
Break-in period comes up in several reviews. Some owners note the pistol benefited from 100-200 rounds before achieving consistent reliability. Customer service experiences with Rock Island vary, and parts availability is flagged as a concern for some owners.
Where to Buy - 5 Offers Available
Price Range: $349.99 - $499.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Guns Com | $349.99 | New | Buy Now |
| Buds Gun Shop | $429.99 | New | Buy Now |
| Grabagun Com | $449.99 | New | Buy Now |
| Shootingsurplus Com | $498 | New | Buy Now |
| Guns Com | $499.99 | Used | Buy Now |
