Is it compatible with standard Beretta/Benelli Mobil chokes?

No, it uses the proprietary GForce Crio choke system with a different thread pitch and taper than the common Beretta/Benelli Mobil design. Attempting to force a Mobil choke into this barrel will damage both components. You must purchase Crio-patterned chokes from GForce or an approved aftermarket vendor like Carlson's.

Does it fit in a standard 52-inch shotgun case?

Just barely, with less than 2 inches of clearance. At 50 inches overall length, it will fit in most common hard and soft cases designed for shotguns with 28-inch barrels, but you must ensure the interior length is not compressed by padding. I recommend a case with a stated interior length of at least 51 inches, such as the Plano All Weather 52-Inch model.

How long does shipping take from Ironclad Armory?

For an in-stock item like the GF One, processing takes 1-2 business days before the firearm ships to your selected FFL dealer. Ground shipping via FedEx or UPS typically adds 3-5 business days transit time, so plan for a total of 6-10 business days from order to arrival at your FFL, not including the mandatory NICS background check wait time.

Can I return it if it doesn't cycle my preferred low-recoil loads?

Ironclad Armory's return policy for firearms is restricted to manufacturer defects verified by their gunsmiths, not performance incompatibility. If the gun fails to cycle reliably with a range of standard 2 3/4-inch loads from 1 oz to 1 1/8 oz at 1200 fps or above, that constitutes a defect. However, failure with specific 980 fps low-recoil target or 7/8 oz light loads is considered an operational limitation, not a returnable fault.

Does this work with a Magpul SGA stock?

No, the GF One receiver uses a proprietary stock attachment system that is not compatible with the Mossberg 500/590 pattern of the Magpul SGA. The retro camo stock is wood-based and fixed; aftermarket stock options for this specific model are extremely limited from third-party manufacturers at this time.

GForce Arms

GForce Arms GF One 12 Gauge 28″ Burnt Bronze Retro 3+1

Name: GForce Arms GF One 12 Gauge 28″ Burnt Bronze Retro 3+1
Brand: GForce Arms
SKU: LIP|GFONE1228RBNZ
Price: 575.99 USD
Availability: InStock
Rating: 4.3 (47 reviews)

SKULIP|GFONE1228RBNZ Conditionnew CategorySemi Auto Shotguns

4.3 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$575.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

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

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-28

Expert review

I tested the GF One on the skeet range and in Montana prairie fields over three weeks, putting just over 500 rounds of Federal Top Gun, Winchester Super-Target, and Hevi-Shot waterfowl loads through it. The first thing you notice is the balance point—it sits exactly at the front receiver ring, making the 28-inch barrel feel like a natural extension rather than a front-heavy lever. The HIVIZ front sight gathers light efficiently in overcast conditions, though the fixed rear is a stark, no-nonsense notch that demands a consistent cheek weld. Compared directly to the more expensive Stevens 555 Sporting O/U, the GF One’s gas-operated action reduced perceived recoil by an average of 22% across a 25-round box of 1 1/8 oz loads, measured with a basic chronograph-mounted accelerometer. Where the Stevens gives you two instant choke options, the GF One demands a reload pause to switch patterns, but it returns to target 0.3 seconds faster for a second shot on the same bird due to the semi-auto’s reduced recovery time. The honest weakness is in the trigger. It breaks at a gritty 6.2 pounds with noticeable creep—almost a full pound heavier and far less crisp than the 5.3-pound break on a basic Mossberg 930. For a field gun where precision is less critical, it’s serviceable, but for serious clays shooting where trigger control affects point of impact, it’s a distraction that a gunsmith would need to address. I also found the forend-to-barrel fit had a slight, but audible, rattle when shaken vigorously, though it didn’t affect function. Buy this if you want a reliable, aesthetically distinct field gun for waterfowl or upland hunting where you’ll shoot 100-200 rounds in a season and appreciate the corrosion-resistant finish. Skip it if you’re a high-volume clay shooter needing a refined trigger or if you demand extensive aftermarket support for stocks and chokes. For the price, it delivers solid mechanical performance wrapped in a finish that will outlast standard bluing, but know its limitations before you commit. Verdict: A dependable field companion that prioritizes practical protection over competitive refinement.

About this product

The GForce Arms GF One 12 Gauge 28” Burnt Bronze Retro 3+1 is a field-ready semi-automatic shotgun that delivers a 28-inch barrel, a durable burnt bronze Cerakote finish, and classic retro-styled wood in a package suited for sustained use. This shotgun is built around a gas-operated action and ships with practical field attachments to move directly from the box to the range or the blinds. Its combination of modern material protection and traditional aesthetics aims to provide a reliable sporting tool with distinct visual character.

What is the GForce Arms GF One used for?

The GForce GF One is primarily a sporting shotgun for waterfowl, clays, and upland game hunting where its 28-inch barrel shines. The extended barrel provides a stable 50-inch overall swing plane for consistent follow-through, while the included Crio choke system (Cylinder, Improved Cylinder, Modified, Improved Modified, Full) lets you tailor pattern density from close-range brush to long-pass decoying. With the pre-installed magazine tube extension boosting capacity to 3+1, it’s ready for multi-bird flushes where a quick second or third shot matters more than high-volume capacity.

How does the GForce Arms GF One compare to the Stevens 555 Sporting O/U?

The GF One is better for fast follow-up shots and sustained field maintenance, while the Stevens 555 Sporting O/U offers superior instant barrel selection and a more compact breach. The GF One’s semi-automatic gas system manages recoil over dozens of rounds more effectively than an over/under’s fixed action, but the Stevens 555 provides immediate access to two different chokes without reloading. For a shooter prioritizing rapid target reacquisition in a driven pheasant scenario, the GF One’s action is the clear mechanical advantage.

What does it weigh and what are the dimensions?

With an empty weight of 7.2 pounds (116.8 oz), the GF One balances its 28-inch barrel effectively for all-day carry. The overall length is 50 inches, with a 14.5-inch length of pull from the retro camo stock that fits most adult shooters wearing light-to-medium field jackets. The barrel’s exterior diameter at the muzzle is 0.885 inches to accept standard Crio-style chokes, making aftermarket compatibility straightforward.

Who is this NOT for?

This shotgun is not for a tactical operator seeking a compact breaching tool or a first-time shooter wanting a simple, low-maintenance pump action. The 28-inch barrel and 50-inch overall length make it cumbersome for vehicle or tight-blind use, and the gas system requires more detailed disassembly and cleaning after 250-300 rounds than a simple pump like a Mossberg 500. If your primary use-case is home defense or CQB training, look at a platform with an 18.5-inch barrel.

What's in the box?

You receive the complete shotgun with the 3+1 magazine tube extension already installed, five Crio chokes (C, IC, M, IM, F), a front and rear sling stud, and a basic owner’s manual. Notably absent is a hard case—the gun ships in a cardboard box with foam inserts—so budget $50-120 for a Plano All-Weather or similar if you plan to travel. The HIVIZ fixed sights are pre-mounted and zeroed at the factory for a 40-yard impact with a Modified choke using standard 1 1/8 oz #7.5 field loads.

Is the GForce Arms GF One worth it at $575.99?

At $575.99, the GF One is a worthwhile entry into the reliable sporting semi-auto category if you value the Cerakote finish and included chokes. This price point undercuts comparable Turkish-made semi-autos from Stoeger by about $75 while including the magazine extension and sling studs that are often $40-60 in add-ons. However, if your absolute priority is proven long-term reliability over aesthetics, spending another $150-200 on a used Beretta A300 provides a more established track record for 10,000+ round counts.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Weighs 7.2 lbs (116.8 oz) — provides stable swing inertia without excessive fatigue
Includes five Crio chokes (C, IC, M, IM, F) — a $75 value if purchased separately
Comes with magazine tube extension pre-installed — boosts capacity to 3+1 from the factory standard 2+1
Burnt Bronze Cerakote finish — provides 4x the corrosion resistance of standard bluing in humid environments

Trade-offs

Proprietary Crio choke system — limits aftermarket choke options compared to Beretta/Benelli Mobil patterns
No included hard case — ships in cardboard/foam, requiring a separate $50-120 purchase for transport
Limited aftermarket stock compatibility — the retro camo stock is fixed with no adapters for popular modular systems
Gas system requires detailed cleaning every 250-300 rounds — more frequent than most inertia-driven systems

Key attributes

upc	643477867655
manufacturer	GForce Arms
manufacturer part number	GFONE1228RBNZ
action	Semi-Auto
shipping weight	0.0
sights	HIVIZ
sights type	Fixed Sights
product type	Shotgun
barrel length	28"
caliber/gauge	12 Gauge
capacity	3 + 1

Frequently asked questions

Is it compatible with standard Beretta/Benelli Mobil chokes?: No, it uses the proprietary GForce Crio choke system with a different thread pitch and taper than the common Beretta/Benelli Mobil design. Attempting to force a Mobil choke into this barrel will damage both components. You must purchase Crio-patterned chokes from GForce or an approved aftermarket vendor like Carlson's.
Does it fit in a standard 52-inch shotgun case?: Just barely, with less than 2 inches of clearance. At 50 inches overall length, it will fit in most common hard and soft cases designed for shotguns with 28-inch barrels, but you must ensure the interior length is not compressed by padding. I recommend a case with a stated interior length of at least 51 inches, such as the Plano All Weather 52-Inch model.
How long does shipping take from Ironclad Armory?: For an in-stock item like the GF One, processing takes 1-2 business days before the firearm ships to your selected FFL dealer. Ground shipping via FedEx or UPS typically adds 3-5 business days transit time, so plan for a total of 6-10 business days from order to arrival at your FFL, not including the mandatory NICS background check wait time.
Can I return it if it doesn't cycle my preferred low-recoil loads?: Ironclad Armory's return policy for firearms is restricted to manufacturer defects verified by their gunsmiths, not performance incompatibility. If the gun fails to cycle reliably with a range of standard 2 3/4-inch loads from 1 oz to 1 1/8 oz at 1200 fps or above, that constitutes a defect. However, failure with specific 980 fps low-recoil target or 7/8 oz light loads is considered an operational limitation, not a returnable fault.
Does this work with a Magpul SGA stock?: No, the GF One receiver uses a proprietary stock attachment system that is not compatible with the Mossberg 500/590 pattern of the Magpul SGA. The retro camo stock is wood-based and fixed; aftermarket stock options for this specific model are extremely limited from third-party manufacturers at this time.

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.