Description
The Mossberg SA-20 Semi-Auto 20 ga 20″ 3″ Synthetic Stock, Pistol Grip Blued is a gas-operated, 20-gauge shotgun built for reliability in a compact, maneuverable package. It’s designed for home defense and tactical use, featuring a 20-inch barrel, a synthetic pistol grip stock for control, and a blued finish for durability. This shotgun offers a practical balance of power and manageability, ready to go right out of the box.
Key Features
- Gas-Operated System: Reduces felt recoil for faster follow-up shots and reliable cycling with a variety of 2¾” and 3″ 20-gauge loads.
- Compact 20-Inch Barrel: Enhances maneuverability in tight spaces like hallways or vehicles, making it a serious contender for home defense.
- Synthetic Pistol Grip Stock: Provides a secure, ergonomic grip for positive control during rapid handling and target acquisition.
- Blued Finish: Offers classic corrosion resistance to protect the steel barrel and receiver during storage or use in humid Missouri conditions.
- Lightweight Build: The synthetic construction keeps weight down, which is crucial when you need to hold a position or clear a structure.
Specifications & Details
| Gauge: | 20 Gauge |
| Chamber: | 3″ |
| Barrel Length: | 20 Inches |
| Overall Length: | Approx. 40.5 Inches |
| Stock: | Synthetic, Pistol Grip |
| Finish: | Blued |
| Action: | Semi-Automatic, Gas-Operated |
| Weight: | Approx. 5.5 lbs |
Weighing in at roughly 5.5 pounds, this shotgun is easy to handle for extended periods. The gas-operated action is a key feature—it soaks up recoil energy, making shooting more comfortable and keeping you on target. This system is known for its reliability with standard field loads, but it really shines with defensive ammunition. When it comes to home defense, a firearm that cycles without a hiccup is non-negotiable. The 20-gauge chambering is a practical choice, offering substantial stopping power with less blast and recoil than a 12-gauge, which can be a decisive advantage for smaller-framed shooters or in confined spaces. The price point of $480.42 makes it an accessible entry into reliable semi-auto shotguns.
Who This Shotgun Is For
This Mossberg SA-20 is for the homeowner who wants a dependable, no-fuss defensive tool that’s easier to handle than a 12-gauge. It’s for the hunter who needs a rugged, fast-cycling gun for birds or small game in thick cover. It’s also an ideal choice for a newer shooter looking to step into semi-automatic shotguns without excessive recoil or complexity. The pistol grip stock provides a familiar, tactical feel for those accustomed to modern rifle platforms. Look, if you need a gun that’s ready when you are, this fits the bill.
Pros & Cons
Pros: The reduced recoil of the 20-gauge gas system is a major benefit, allowing for faster, more accurate shot strings. The compact 20-inch barrel offers excellent balance and pointability in close quarters. The synthetic stock is impervious to weather and rough use. It’s a simple, robust design—no gunsmithing required to get it running. This model is available at firearms-missouri.com for Missouri residents and nationwide, following all applicable FFL transfer requirements for firearm purchases.
Cons: The 20-gauge, while effective, has slightly less payload variety compared to the ubiquitous 12-gauge for defensive use. The pistol grip stock, while great for control, can make the overall length slightly longer for storage compared to a traditional stock. Some users might prefer a drilled and tapped receiver for optic mounting, though the bead sight is perfectly adequate for its intended ranges. That said, its simplicity is part of its strength.
Frequently Asked Questions
Q: What is the magazine capacity of the Mossberg SA-20?
A: The standard tubular magazine capacity is typically 4+1 rounds (4 in the tube, 1 in the chamber) with 2¾” shells. Capacity may vary slightly with different shell lengths. It’s compatible with standard 20-gauge ammunition from major brands like Federal, Winchester, and Remington.
Q: Is the Mossberg SA-20 reliable with light target loads?
A: Yes, the gas-operated system is generally very reliable with standard velocity 2¾” target loads (often 7/8 oz or 1 oz). For absolute best function, it’s always wise to break the gun in with a few boxes of the ammunition you plan to use most often. The system is self-regulating, designed to handle a range of pressures.
Q: Can I add a sling or other accessories to this model?
A: The synthetic stock is not pre-drilled for a sling swivel, but aftermarket solutions like clamp-on swivels or single-point sling adapters that mount to the stock’s rear grip cap are widely available. The barrel is cylinder bore, so it’s also compatible with many choke tube systems designed for Mossberg 20-gauge barrels if you want to modify pattern spread.
Ready to add this capable and maneuverable 20-gauge to your security plan or hunting kit? See the Mossberg SA-20 Semi-Auto 20 ga 20″ 3″ Synthetic Stock, Pistol Grip Blued on our site for full details and ordering.
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