GForce Arms GFY-1 USA 12 Gauge 18.5″ Bullpup Shotgun
About this product
The GForce Arms GFY-1 USA is a 12-gauge semi-automatic bullpup shotgun that optimizes barrel performance within a 28.5-inch overall length through its rearward action/magazine placement. This configuration places the center of gravity closer to the shooter's shoulder, reducing muzzle flip compared to traditional shotgun layouts. The design choice directly addresses NFA constraints where overall length, not barrel length alone, determines classification for certain configurations.
What is the GForce GFY-1 USA used for?
The GFY-1 USA is optimized for close-quarters defensive scenarios where maneuverability and rapid follow-up shot potential are critical. Its 18.5-inch barrel provides standard-velocity ballistics (approximately 1250-1300 fps with 00 buck) in a package shorter than most pump-action defensive shotguns, like the Mossberg 590A1 18.5" model, by nearly 5 inches. The bullpup layout allows for effective engagement in confined spaces, such as hallway clearing, where a traditional 40-inch shotgun would be cumbersome.
How does the GFY-1 USA compare to a traditional Stevens 555 Sporting?
The GFY-1 USA prioritizes tactical compactness and modularity, whereas the Stevens 555 Sporting Over/Under is superior for recreational clay shooting and hunting due to its refined balance and trigger. The Stevens 555, like the 30-inch 12-gauge model, offers a crisp, single-stage trigger pull around 4.5 lbs optimized for precision, while the GFY-1's trigger linkage system results in a longer, mushier pull closer to 8-9 lbs typical of bullpup designs. For pure defensive readiness under stress, the GFY-1's accessory rails and magazine-fed capacity provide a distinct advantage.
What does it weigh and what are the dimensions?
The GFY-1 USA weighs 7.8 lbs (3.54 kg) unloaded, measures 28.5 inches in overall length, and uses a standard 18.5-inch barrel with a 1/2"-28 threaded muzzle. The bullpup configuration achieves this compact profile—a conventional shotgun with an 18.5-inch barrel, like the Mossberg 500, typically measures 38-40 inches overall. The width across the receiver is 2.2 inches, and the height from the bottom Picatinny rail to the top of the flip-up rear sight is approximately 8.6 inches.
Who is this NOT for?
This shotgun is not for shooters seeking a refined, lightweight field gun for upland hunting or a dedicated trap/skeet platform. The bullpup trigger feel, accessory weight potential on the rails, and 7.8-lb base weight make it poorly suited for carrying over miles or for the precise, fast swings needed in clay sports. If your primary use is recreational shooting or hunting, a traditional shotgun like the Stevens 555 Sporting 20-gauge will provide better handling and a more consistent experience.
What's in the box?
The box includes the complete shotgun, one 5-round steel AR-12 pattern magazine, an installed Benelli Mobile Modified choke, a chamber flag, and a basic operator's manual. You will not find a cleaning rod, snap caps, or thread protector—common omissions in this price segment that require separate purchase. The manual covers basic field-stripping to the bolt carrier group level, which takes approximately 90 seconds with a punch tool.
Is the GFY-1 USA worth it at $287.99?
At $287.99, the GFY-1 USA delivers exceptional value as a functional, NFA-conscious defensive tool but requires an additional investment in magazines and optics to reach full potential. The price point is approximately $200 less than many Turkish-made bullpup shotguns and $500 less than converting an existing shotgun to a bullpup stock. Budget $100-150 for two extra magazines and a basic red dot to make this a ready defensive system, putting the total realistic investment around $450.
Specs at a glance
Video review
Pros & cons
What works
- 28.5-inch overall length — 5-7 inches shorter than traditional defensive shotguns with the same 18.5-inch barrel
- AR-12 magazine compatibility — access to aftermarket 5, 10, and 20-round magazines from multiple vendors
- Top and bottom Picatinny rails — 11.3 inches of total MIL-STD-1913 rail space for optics, lights, and grips
Trade-offs
- Bullpup trigger linkage — results in a long, spongy pull estimated at 8-9 lbs versus a crisp 4-5 lb pull on traditional shotguns
- Manual safety location — cross-bolt safety behind the trigger guard is awkward to reach quickly without breaking firing grip
- No thread protector included — the 1/2"-28 external muzzle threads are exposed during shipping and storage
Expert review
Key attributes
| upc | 643477864043 |
| manufacturer | GForce Arms |
| manufacturer part number | GFY1-USBNZ |
| action | Semi-Auto |
| barrel finish | Black |
| barrel length | 18.5" |
| caliber/gauge | 12 Gauge |
| capacity | 5 + 1 |
| chokes included | Modified |
| number of magazines | 1 5 rd. |
| product type | Shotgun |
| safety | Ambidextrous |
| shipping weight | 0.0 |
| sights | Flip Up Front and Rear |
| sights type | Adjustable Sights |
Frequently asked questions
- Is it compatible with standard AR-12 magazines?
- Yes, the GFY-1 USA uses the common AR-12 pattern magazine, which includes most 5 and 10-round box mags and drums from brands like ProMag and ATI. Confirmed fitment includes the ProMag 10-round steel magazine (PMAG12-10) and the ATI 5-round polymer magazine. The magwell is steel-reinforced for durability.
- Does the threaded barrel accept choke tubes?
- The barrel is internally threaded for Benelli Mobile (Mobil, MOD) choke tubes, and a Modified choke is included. The external muzzle threads are 1/2"-28, compatible with many common shotgun muzzle devices and suppressors rated for 12-gauge, such as the SilencerCo Salvo 12, with proper adapter verification.
- How long does shipping take to an FFL?
- Standard processing is 1-3 business days before shipment, with transit times of 3-7 business days via FedEx or UPS Ground, depending on destination. All shipments require a valid, verified FFL on file with Ironclad Armory before the order is released from our warehouse.
- Can I install a pistol grip or vertical foregrip?
- The bottom Picatinny rail section, measuring 4.5 inches, allows installation of any MIL-STD-1913 compatible grip. However, installing a vertical foregrip on any shotgun with an overall length under 26 inches may create an NFA-regulated Any Other Weapon (AOW); the GFY-1 USA's 28.5-inch OAL keeps it non-NFA with a VFG.