Gforce Arms Gf4 12Ga 18.5 Nickel Blk 5R
The Gforce Arms GF4 is a semi-automatic 12-gauge shotgun built for serious defensive work and tactical applications. Chambered in both 2.75" and 3" shells, this 18.5" barrel delivers the balance of maneuverability and velocity that makes it equally at home for home defense, law enforcement training, or sport shooting. The inertia-driven action cycles reliably across a wide range of loads, and the compact 39.75" overall length makes it a practical choice for tight quarters.
Built on an aluminum alloy receiver with a 4140 steel barrel finished in nickel, the GF4 carries a businesslike aesthetic that doesn't sacrifice durability. The synthetic black furniture—stock and forend—pairs practical ergonomics with weather resistance. A rubber recoil pad absorbs energy from repeated shooting, and the 5+1 capacity (five rounds in the tube magazine plus one in the chamber) gives you adequate rounds on tap without excessive length. The cross-bolt safety is intuitive and fast to operate under pressure.
The GF4 ships ready to work. It features both a ghost ring rear sight and a HiViz fiber optic front sight—a proven combination for fast, reliable target acquisition in variable light. A Picatinny rail atop the receiver lets you mount optics or additional sighting systems, and a front sling ring supports your choice of carry method. Threaded for Benelli Crio chokes, the included cylinder, modified, and full chokes give you flexibility to dial in your pattern for the job at hand. Radikal's limited lifetime warranty covers manufacturer defects, and the GF4's reputation for reliability backs that promise.
If you're looking for a dependable, no-nonsense semi-auto shotgun that handles like a dream in confined spaces, the Gforce Arms GF4 delivers proven performance without pretense.
Key Features
- Semi-automatic inertia-driven action for smooth, reliable cycling
- Compact 18.5" barrel and 39.75" overall length—ideal for defensive and tactical use
- Accepts both 2.75" and 3" shells in 12 gauge
- 5+1 capacity with tube magazine
- Ghost ring rear and HiViz fiber optic front sights for rapid target acquisition
- Picatinny rail for mounting optics or additional sights
- Benelli Crio-compatible choke threads with three chokes (cylinder, modified, full)
- Aluminum alloy receiver and 4140 steel barrel in nickel finish
- Synthetic black stock and forend with rubber recoil pad
- Cross-bolt safety for secure, intuitive operation
- Front sling ring for carry options
Specifications
| Manufacturer | Radikal (Gforce Arms) |
| Model | GF4 (SAX-2T) |
| Action Type | Semi-automatic inertia |
| Caliber | 12 gauge |
| Shell Compatibility | 2.75" and 3" |
| Barrel Length | 18.5" |
| Overall Length | 39.75" |
| Magazine Capacity | 5+1 (tube magazine) |
| Weight | 7 lbs |
| Receiver Material | Aluminum alloy |
| Receiver Finish | Nickel |
| Barrel Material | 4140 steel |
| Barrel Finish | Nickel |
| Stock Material | Synthetic black |
| Forend Material | Synthetic black |
| Sights | Ghost ring rear, HiViz fiber optic front |
| Choke System | Benelli Crio threads |
| Chokes Included | Cylinder, modified, full |
| Length of Pull | 14" |
| Recoil Pad | Rubber |
| Accessory Rail | Picatinny rail on receiver top |
| Sling Attachment | Front sling ring |
| Safety | Cross-bolt |
| Warranty | Limited lifetime |
Frequently Asked Questions
What shotgun ammunition does the Gforce Arms GF4 shoot?
The GF4 chambers 12-gauge shells in both 2.75" and 3" lengths, giving you flexibility to use standard or magnum loads depending on your application.
Can I mount a scope or red dot on the GF4?
Yes. The GF4 features a Picatinny rail mounted on top of the receiver, allowing you to add optics, reflex sights, or other mounting-compatible accessories.
What chokes come with this shotgun?
The GF4 ships with three chokes: cylinder, modified, and full. It uses Benelli Crio-compatible threads, so you can source aftermarket chokes if you need additional options.
Is the Gforce Arms GF4 suitable for home defense?
Yes. The compact 18.5" barrel, 39.75" overall length, ghost ring and fiber optic sights, and 5+1 capacity make it well-suited for defensive applications. The inertia-driven action is reliable across a range of loads, and the cross-bolt safety is fast and intuitive.
What does the front sling ring do?
The front sling ring provides a secure mounting point for a tactical or hunting sling, allowing you to carry the shotgun hands-free or transition between ready and lowered positions.

