Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and shooting accessories. The Weatherby SA-08 20 Gauge Synthetic Semi-Auto Shotgun is a gas-operated firearm known for its reliability and smooth cycling. It offers a balance of performance and value for a wide range of shooting activities. Available for $499.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What makes the Weatherby SA-08 a solid choice for a 20-gauge semi-auto?
The Weatherby SA-08 20 Gauge Synthetic Semi-Auto Shotgun is a workhorse, plain and simple. I’ve handled plenty of these over the years, and they consistently deliver. For a gas-operated semi-auto in this price range, you’re getting a lot of gun. It’s got a reputation for running clean and cycling a variety of loads without much fuss, which is what you want whether you’re out chasing pheasants in Kansas or breaking clays at the range. The synthetic stock is practical — it can take a beating and you don’t have to worry about scratching up a nice piece of walnut in the field. It’s designed to be lightweight, making it easy to carry all day, and the 20 gauge chambering means less recoil than a 12 gauge, which can be a big plus for younger shooters, women, or anyone who just prefers a softer shooting experience. This isn’t a fancy, high-dollar shotgun, but it’s built to perform reliably when you need it most.
| Product Type | Semi-Automatic Shotgun |
|---|---|
| Gauge | 20 Gauge |
| Chamber | 3″ |
| Action | Gas-Operated Semi-Auto |
| Barrel Length | 26″ |
| Barrel Finish | Matte Black |
| Stock Material | Synthetic |
| Stock Finish | Matte Black |
| Overall Length | 46″ |
| Weight (Unloaded) | Approximately 6.5 lbs |
| Capacity | 4+1 Rounds |
| Sights | Fiber Optic Front |
| Chokes | Multi-Choke System (F, M, IC included) |
| Country of Origin | Turkey |
| Condition | New |
| SKU | SA082026PGM |
What are the primary features of the Weatherby SA-08?
- Gas-Operated Action: The SA-08 uses a reliable gas-operated system that helps reduce felt recoil, making for a more comfortable shooting experience, especially during extended sessions. This system is known for its ability to cycle a wide range of ammunition reliably.
- Synthetic Stock and Forend: The durable synthetic stock and forend are built to withstand harsh weather conditions and rough handling in the field. They are low maintenance and resist scratches, dings, and moisture better than traditional wood stocks.
- Lightweight Design: Weighing in at around 6.5 pounds, this shotgun is easy to carry for long periods, whether you’re trekking through fields during dove season or hiking to a duck blind.
- Chrome-Lined Barrel: The barrel is chrome-lined for increased durability and corrosion resistance, which also makes cleaning easier after a day in the field.
- Vent Rib Barrel with Fiber Optic Front Sight: The vent rib aids in dissipating heat and provides a clear, uncluttered sight picture. The fiber optic front sight offers excellent visibility in various lighting conditions, helping with quick target acquisition.
- Multi-Choke System: Comes with three choke tubes (Full, Modified, Improved Cylinder) allowing you to customize your shot pattern for different hunting situations or target shooting.
- Dual-Valve System: The SA-08 includes two interchangeable gas pistons (light and heavy load) to optimize performance with different ammunition, ensuring reliable cycling with everything from light target loads to heavy magnum shells.
Who is this shotgun designed for?
The Weatherby SA-08 20 Gauge Synthetic Semi-Auto Shotgun is a versatile tool for a few different types of shooters.
- Buy it if:
- You’re looking for a reliable, no-frills semi-auto shotgun for hunting upland birds, waterfowl, or small game. The 20 gauge is plenty for most Kansas hunting.
- You want a lighter-recoiling option compared to a 12 gauge, whether for comfort, for a new shooter, or for extended shooting sessions.
- You need a durable, weather-resistant shotgun that can handle being out in the elements without constant worry about its finish.
- You’re on a budget but still demand a semi-automatic action from a reputable brand.
- You appreciate a gas-operated system for its recoil reduction and smooth cycling.
- Skip it if:
- You primarily shoot 3.5″ magnum shells for specialized hunting; this shotgun is chambered for 3″ shells. See our 12 gauge semi-autos for larger chamberings.
- You prefer the simplicity and reliability of a pump-action shotgun and don’t need the faster follow-up shots of a semi-auto.
- You’re looking for a high-end, competition-grade shotgun with advanced features and a highly refined finish.
What are the advantages and disadvantages of the SA-08?
- ✅ Reliable Gas System: Seldom jams, cycles a wide array of loads smoothly.
- ✅ Reduced Recoil: The gas operation and 20 gauge chambering make for a very comfortable shooting experience.
- ✅ Lightweight and Maneuverable: Easy to carry all day in the field and quick to shoulder.
- ✅ Durable Synthetic Stock: Stands up to harsh weather and field conditions without issue.
- ✅ Good Value: Offers solid performance and features for its price point.
- ✅ Dual-Valve System: Allows for optimized cycling with different load types.
- ❌ Finish is Practical, Not Fancy: The matte synthetic and black metal finish are utilitarian; it’s not a showpiece.
- ❌ Limited Aftermarket Support: Compared to some larger brands, accessory options might be fewer.
- ❌ Requires Gas Piston Swapping: While effective, manually changing gas pistons for light vs. heavy loads can be an extra step some shooters prefer to avoid.
How does the Weatherby SA-08 compare to other shotguns?
| Feature | Weatherby SA-08 20 Gauge | Mossberg 500 20 Gauge (Pump) | Benelli M2 Field 20 Gauge (Inertia) |
|---|---|---|---|
| Action Type | Gas-Operated Semi-Auto | Pump-Action | Inertia-Driven Semi-Auto |
| Material (Receiver) | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
| Quality/Finish | Good, utilitarian matte black | Good, utilitarian matte black | Excellent, refined matte black |
| Recoil Management | Excellent (gas system) | Moderate (pump action) | Good (inertia system) |
| Reliability | Very good with proper piston | Excellent (mechanical) | Excellent (inertia system) |
| Weight | ~6.5 lbs | ~6.75 lbs | ~5.7 lbs |
| Maintenance | More involved (gas system cleaning) | Simple (pump action) | Less involved (inertia system) |
| Price | ~$499 | ~$450 | ~$1400+ |
Frequently Asked Questions
Is the Weatherby SA-08 20 gauge a good shotgun for hunting?
Yes, the Weatherby SA-08 20 gauge is a very capable hunting shotgun. Its lightweight design makes it easy to carry, and the 20 gauge chambering is effective for upland birds, waterfowl (with appropriate loads and chokes), and small game. The gas system helps reduce fatigue during long hunting days.
What kind of ammunition does the Weatherby SA-08 20 gauge handle?
The SA-08 20 gauge is chambered for 2.75″ and 3″ shells. It comes with a dual-valve system, allowing you to swap gas pistons for optimal cycling with either light target loads or heavier hunting loads. This ensures reliable function across a wide spectrum of 20 gauge ammunition.
How often should I clean my Weatherby SA-08?
For optimal reliability, especially with a gas-operated system, it’s a good practice to clean your SA-08 after every significant shooting session, particularly if you’ve been using dirty ammunition or hunting in wet conditions. Pay attention to the gas piston and cylinder area to prevent carbon buildup.
Can I use steel shot in the Weatherby SA-08 20 gauge?
Yes, the Weatherby SA-08 is designed to handle steel shot. Always ensure you are using the correct choke tube for steel shot, typically Modified or Improved Cylinder, as tighter chokes can be damaged by steel shot. Consult your owner’s manual for specific recommendations.
Where can I buy shotguns online?
You can buy shotguns online, including the Weatherby SA-08 20 Gauge, at Kansas Gunshop (kansas-gunshop.com). We are a licensed FFL dealer and can facilitate transfers to your local FFL.
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