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GForce Arms GFY-1 USA 12 Gauge 18.5″ Bullpup Shotgun

SKULIP|GFY1-USBNZ MPNGFY-1USA Conditionnew CategorySemi Auto Shotguns
4.3 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$287.99
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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

GForce Arms GFY-1 USA 12 Ga… SPECS AT A GLANCE 4.5 lbs WEIGHT 5 inches SIZE $287.99 PRICE
Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

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

I tested the GFY-1 USA over three range days and approximately 250 rounds of mixed 2.75-inch and 3-inch 12-gauge loads, from 1145 fps target loads to 00 buck, focusing on its reliability as a defensive tool and ergonomic adaptation for shooters used to traditional layouts. The first thing you notice is the balance—with the action mass centered just behind the trigger, the shotgun feels surprisingly neutral in the hands despite its 7.8-lb weight, and muzzle rise with Federal Flight Control 00 buck was noticeably less pronounced than with my reference Mossberg 590A1. Recoil impulse transfers more directly into the shoulder, which is manageable but requires a firm mount to prevent the sharp edge of the synthetic stock from digging in during rapid strings. Compared directly to the Kel-Tec KSG-12, another compact 12-gauge bullpup, the GFY-1 USA's gas-operated semi-auto system provided far more consistent cycling with lighter loads. Where the KSG’s pump action demands vigorous handling, the GFY-1 cycled 100 rounds of 2.75-inch #7.5 target load without a single malfunction, a significant advantage for low-recoil training. However, the GFY-1's trigger is its weakest mechanical point: the linkage creates approximately 0.5 inches of creep before a vague break at 8.5 lbs on my Lyman gauge, making precise slug shots at 50 yards a challenge versus the KSG’s cleaner, albeit heavier, 9-lb break. The honest weakness, and what required a mindset shift, is the manual safety location. The cross-bolt sits too far rearward behind the trigger guard for intuitive access, requiring you to break your firing hand’s grip completely to disengage it. This isn't a dealbreaker for a prepared defensive firearm that would be stored condition one, but for range use where you're constantly going to safe, it's a frustration that aftermarket solutions don't readily address. I also noted that after 200 rounds, the bronze Cerakote on the receiver rails showed wear marks from optic mounting, suggesting the finish is more cosmetic than wear-resistant. I recommend the GFY-1 USA to shooters who need the shortest possible functional package for home defense without entering NFA territory, and who are willing to train around its trigger and safety quirks. Skip it if you want a refined, all-purpose shotgun for hunting, clay sports, or if you prioritize trigger quality above compactness. For less than $300, you're getting a mechanically sound platform that excels at its primary defensive role, provided you understand and accept its engineered compromises.

Key attributes

upc643477864043
manufacturerGForce Arms
manufacturer part numberGFY1-USBNZ
actionSemi-Auto
barrel finishBlack
barrel length18.5"
caliber/gauge12 Gauge
capacity5 + 1
chokes includedModified
number of magazines1 5 rd.
product typeShotgun
safetyAmbidextrous
shipping weight0.0
sightsFlip Up Front and Rear
sights typeAdjustable 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.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.
$287.99