CZ-USA 1020 Field G2 20 Gauge 28″ 4rd Walnut/Gray
About this product
The CZ-USA 1020 Field G2 is a 20-gauge, inertia-driven semi-automatic shotgun configured specifically for upland birds and sporting clays, where its 28-inch barrel, 3-inch chamber, and four-round magazine create a balance of swing speed and follow-up capacity. It’s designed for the hunter who wants a gas-free, self-regulating action that stays cleaner than short-recoil systems. The included five choke tubes let you pattern from Modified to Improved Cylinder in seconds.
What is the CZ-USA 1020 Field G2 used for?
This shotgun is built for field shooting where quick, instinctive handling and multiple rapid shots are required. You’ll use it walking for quail, grouse, or pheasant where shots present within 40 yards, or on a sporting-clays course where target presentations vary. The inertia system cycles light 7/8-ounce loads up to 3-inch magnums without adjustment, so you can switch loads between upland and waterfowl without touching the action.
How does the CZ-USA 1020 Field G2 compare to the Stevens 555 Sporting O/U 20 Gauge?
The CZ 1020 provides a different mechanical approach and magazine capacity than the break-action Stevens 555. The CZ’s semi-automatic action gives you three follow-up shots before reloading compared to the O/U’s two, with a faster lock time of approximately 2.1 milliseconds versus the break-action’s hammer fall. The Stevens is mechanically simpler and slightly lighter at 6.4 pounds, but the CZ offers faster target reacquisition for fast-flushing birds or clay stations requiring more than two shots.
What does it weigh and what are the dimensions?
This shotgun weighs 6.7 pounds (14.8 lbs. shipping weight includes case and accessories) with a 28-inch barrel measuring 711 mm. The overall length is 48.5 inches with a length of pull of 14.5 inches—standard for most adult shooters. The receiver width is 1.25 inches at its widest point, so it doesn’t feel bulky when carrying slung. It balances 3.5 inches forward of the receiver, right under the forend grip.
Who is this NOT for?
Don’t buy this if you need a dedicated waterfowl gun for extended foul-weather use; while the anodizing protects the aluminum receiver, the walnut stock will require more maintenance than synthetic in constant wet conditions. It’s also not ideal for home defense—the 48.5-inch overall length makes it cumbersome indoors compared to an 18.5-inch tactical model. Finally, avoid it if you exclusively shoot light target loads below 1200 fps; inertia systems need a minimum recoil impulse to cycle reliably.
What's in the box?
You receive the shotgun, five Beretta/Benelli Mobil-style choke tubes (Cylinder, Skeet, Improved Cylinder, Modified, Full), a soft case, a choke wrench, and the owner’s manual with CZ’s 5-year warranty. The choke tubes are marked and sized for quick swaps; keep the wrench in your field kit. The manual details the disassembly process—it’s two takedown pins and the bolt carrier comes out for cleaning in under 60 seconds.
Is the CZ-USA 1020 Field G2 worth it at $694.99?
At $694.99, this shotgun delivers value by including the full choke set and a field-ready configuration out of the box. When you consider a comparable inertia-driven semi-auto like a Franchi Affinity often starts at $850 without the extra chokes, the CZ presents a solid entry point into clean-running, gas-free shotguns. It’s not a $1,500 Beretta A400, but for a dedicated upland or sporting-clays gun that you don’t baby, the mechanical reliability and included accessories justify the price. For a different approach at a similar price point, consider the break-action Stevens 555 Sporting 20 Gauge.
Specs at a glance
Video review
Pros & cons
What works
- Inertia action runs clean—no gas ports or pistons to foul, crucial for 200+ round clay days
- Includes 5 choke tubes (C, SK, IC, M, F)—a $75-100 value vs. buying separately
- Weighs 6.7 lbs—0.9 lbs lighter than many gas-operated 20-gauges, improves carry fatigue
- 3-inch chamber accepts everything from light target to magnum waterfowl loads without adjustment
Trade-offs
- Walnut stock susceptible to finish wear and moisture swelling vs. synthetic—requires more maintenance
- Limited aftermarket support for stocks and forends due to proprietary mounting system
- 28-inch barrel length makes it less maneuverable in blind or brush than a 26-inch model
- Minimum recoil impulse required—may not cycle ultra-light sub-1200 fps loads reliably
Expert review
Key attributes
| upc | 806703061368 |
| manufacturer | CZ-USA |
| manufacturer part number | 06136 |
| action | Semi-Auto |
| barrel length | 28" |
| caliber/gauge | 20 Gauge |
| capacity | 4 |
| color | Gray |
| model | 1020 G2 |
| shipping weight | 14.8 |
| sights | Bead |
Frequently asked questions
- Is it compatible with aftermarket choke tubes?
- Yes, it uses the standard Beretta/Benelli Mobile choke thread pattern. This is the most common choke system in the industry, so you can find aftermarket tubes from companies like Carlson's, Briley, or Trulock in any constriction you need. Expect to pay $30-$50 per tube for quality steel-compatible options.
- Does it cycle light target loads reliably?
- Yes, but with a lower limit. The inertia system requires a minimum recoil impulse. It reliably cycles 7/8-ounce target loads at 1200 feet per second (fps) and above. Below that velocity, you may experience short-stroking. Always test your specific ammunition at the range before a hunt or competition.
- How long does shipping take?
- Ironclad Armory processes all orders within one business day. Shipping via FedEx Ground typically takes 3-5 business days to most continental U.S. addresses. You will receive a tracking number via email as soon as the package is tendered to the carrier.
- Can I return it if I don't like it?
- Yes, within 30 days of receipt, provided the firearm is unfired, in its original packaging, with all accessories and documents. You are responsible for return shipping to our FFL in Bozeman, MT, and a 15% restocking fee applies. All returns must be initiated through our customer service portal.
- Does this work with a Magpul SGA stock?
- No. The CZ 1020 receiver has a proprietary stock attachment system unique to this model. It is not compatible with the Mossberg 500/590 or Remington 870 aftermarket stock ecosystems, including the Magpul SGA. Your stock options are limited to CZ factory replacements or custom gunsmithing.