
Rock Island Armory STK100 Aluminum Frame 9mm Black Pistol
Original price was: 499.00$.429.99$Current price is: 429.99$.
| Specification | Details |
|---|---|
| Grip | Aluminum |
| Action | Semi-Automatic |
| Finish | Black |
| Sights | Standard Sights |
| Capacity | 17+1 |
| Grip Safety | No |
| Optic Ready | Yes |
| Barrel Length | 4.5 inches |
| Manual Safety | No |
| Overall Length | 7.5 inches |
| Trigger Safety | Yes |
| Caliber / Gauge | 9mm |
| Threaded Barrel | No |
| Ambidextrous Safety | No |
Product Overview
The Rock Island Armory STK100 is a metal-framed 9mm semi-automatic pistol designed to provide a stable, controllable shooting platform without the bulk of a full-size service handgun. Its aluminum grip adds weight to help reduce felt recoil, while the 1911-inspired grip angle and textured surface support a secure, repeatable hold. The 4.5-inch matte black barrel and slide are paired with fixed sights, an optic-cut slide, and a MIL-STD-1913 accessory rail for practical sighting and accessory options. The pistol uses a 17-round magazine and has no manual safety.
Key Features
- Aluminum grip and frame add stability while remaining comfortable for everyday carry
- 17+1 capacity provides substantial on-board ammunition
- 1911-inspired grip angle and texturing promote consistent control
- 4.5-inch barrel balances handling and practical ballistic performance
- Optic-cut slide supports installation of a compatible pistol optic
- MIL-STD-1913 rail accommodates lights and other accessories
The STK100 combines an aluminum construction, practical capacity, and optic-ready design in a capable 9mm pistol.




