Description
The Mossberg SA-20 Semi-Auto 20ga 22″ 3″ 5+1 Synthetic Mossy Oak Obsession Stk is a gas-operated, semi-automatic shotgun chambered in versatile 20-gauge. It features a 22-inch barrel, a five-round capacity (plus one in the chamber), and comes dressed in Mossy Oak Obsession camouflage over a durable synthetic stock. This setup is designed for fast handling in dense cover, making it a practical choice for upland hunting, predator control, or a maneuverable home defense option. At $382.66, it delivers Mossberg reliability in a lightweight, easy-swinging package that ships to Missouri and compliant US states.
Key Features
- Gas-Operated Semi-Auto Action: Reduces felt recoil for faster follow-up shots and reliable cycling with a variety of 2¾” and 3″ 20-gauge loads.
- Mossy Oak Obsession Camo: Full coverage synthetic stock and forend break up your outline in spring and summer timber, thickets, and field edges.
- 22″ Barrel with Vent Rib: Provides a quick, balanced point in tight quarters without sacrificing sight plane for accurate shot placement.
- 5+1 Capacity: Offers a practical reserve for hunting drives or defensive scenarios without the bulk of an extended magazine.
- Lightweight & Balanced: The synthetic build keeps weight down for all-day carry, and the action is drop-in ready for easy cleaning.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 20 Gauge (3″ Chamber) |
| Action | Semi-Automatic, Gas-Operated |
| Barrel Length | 22 Inches |
| Overall Length | 42.5 Inches |
| Capacity | 5+1 Rounds |
| Finish/Camo | Mossy Oak Obsession |
| Stock | Synthetic |
| Chokes | Includes Modified Choke Tube |
Weighing in at just over 6 pounds, the SA-20 handles like a dream in the field. The gas system soaks up recoil, which is a real benefit when you’re running a box of shells through it on a long squirrel hunt or patterning duty. It’s compatible with a wide range of aftermarket chokes from brands like Carlson’s or Trulock, letting you tailor your pattern for turkey, waterfowl (with non-toxic shot), or buckshot. Here’s the thing—this isn’t a finicky shotgun. It’s built to run, and the simple takedown means maintenance is straightforward. No gunsmithing required for routine cleaning, which is a major plus for anyone who values function over fuss.
Who This Shotgun Is For
This Mossberg is for the hunter who needs a fast, reliable partner in the brush. Think spring turkey in the Missouri oak hills, or pursuing rabbits through briar patches. It’s also a serious contender for a home defender who prefers the manageable recoil of a 20-gauge but wants the capacity and speed of a semi-auto. For a younger shooter or someone of smaller stature stepping up from a single-shot, the lightweight design and soft-shooting nature make it an excellent fit. It’s a working gun, through and through.
Pros & Cons
Pros: Lightweight and pointable; reduced recoil from gas operation; reliable Mossberg design; effective camouflage for spring/summer environments; easy to maintain. The 22-inch barrel strikes a great balance between maneuverability and sight radius.
Cons: The synthetic camo finish, while durable, won’t have the classic feel of wood. Some users might prefer a longer barrel for certain clay target games or waterfowl setups. The 5-round magazine tube is fixed, so capacity cannot be increased.
Frequently Asked Questions
Q: Is the Mossberg SA-20 suitable for home defense?
A: Absolutely. The 20-gauge, especially with modern defensive buckshot loads, offers ample stopping power with significantly less recoil and blast than a 12-gauge. The 22″ barrel and semi-auto action allow for quick, controlled shots in confined spaces. Just remember, FFL transfer required for firearm purchases.
Q: What chokes does it come with, and what can I use it for?
A: It includes a Modified choke tube. This is a great all-around choke for small game, upland birds, and even turkey at moderate ranges. You can easily swap in other Mossberg/SA-20 compatible choke tubes—like a full choke for turkeys or an improved cylinder for close-range brush hunting.
Q: Can it cycle light target loads reliably?
A: Yes, the gas-operated system is designed to handle a wide range of 20-gauge loads from light 2¾” target loads up to 3″ magnums. For the most reliable function with the lightest loads, ensure the gun is properly broken in and kept clean.
When it comes to a dependable, soft-shooting semi-auto that won’t break the bank, the Mossberg SA-20 in Mossy Oak Obsession delivers proven performance where it counts. Its 42.5-inch overall length makes it easy to store in a vehicle or closet, ready for whatever task is at hand. Available at firearms-missouri.com for Missouri residents and nationwide.




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