Description
I remember the first time I handed a 20-gauge to a new shooter—a young adult who was intimidated by the recoil of a 12-gauge. The relief on their face after a few rounds was all the proof I needed. For introducing someone to the field or for a seasoned hunter who wants a light, fast-handling companion, the right 20-gauge is a tool that gets used, not just stored. That’s the niche the Mossberg SA-20 All Purpose Field Bantam 20 Ga, 24″ Vented Rib Ported Barrel, Blued Finish, Synthetic Stock, 4rd fills perfectly. It’s a scaled-down, user-friendly autoloader built for real-world use without fuss.
So, what is it? The Mossberg SA-20 All Purpose Field Bantam is a gas-operated, semi-automatic 20-gauge shotgun designed specifically for smaller-statured shooters or anyone seeking a lightweight, low-recoil field gun. Its defining feature is a shorter 13″ length of pull stock, making it far easier to mount and shoulder for youth and adults with shorter arms. With its 24″ vent-rib barrel, ported for reduced muzzle climb, and a durable synthetic finish, it’s a no-frills workhorse ready for Missouri dove fields or turkey woods right out of the box.
Key Features & Handling
Let’s start with the “Bantam” part, because that’s the real magic here. That shortened stock isn’t an afterthought—it’s the core of the design. I’ve put a few hundred target loads through one, and the difference in control and comfort for a shooter under 5’8″ is immediate. You’re not craning your neck or adjusting your grip awkwardly; it just fits. The gas system soaks up a lot of the already mild 20-gauge recoil, making long days at the clay range or in a blind genuinely pleasant. The synthetic stock is about 7 lbs unloaded, which is light enough to carry all day without being so light it kicks hard.
The 24″ vent-rib barrel is a smart choice. It keeps the overall length manageable for swinging in thick cover or getting in and out of a vehicle, while the vent rib gives you a clean, consistent sighting plane. The porting at the muzzle is a nice touch—it helps keep the bead on target for faster follow-up shots, which is a confidence booster for new hunters. The blued finish is classic and durable for field use, and the whole package is built on Mossberg’s proven SA-20 action, known for reliability with a wide range of 2 3/4″ and 3″ shells. You can run everything from light target loads to hefty turkey thumpers without adjustment.
| Gauge | 20 Gauge (2 3/4″ & 3″) |
| Barrel Length | 24″ Vented Rib, Ported |
| Overall Length | 44.5″ (Approx.) |
| Weight | ~7 lbs |
| Capacity | 4+1 Rounds |
| Stock | Synthetic, Bantam (13″ LOP) |
Pros & Cons: The Straight Talk
Pros: The ergonomics are the biggest win—it simply fits more people correctly from the start. Reliability is solid for a budget-friendly autoloader; it cycles target loads cleanly. The ported barrel is a genuine functional benefit for control. At $459.74, it represents a strong value in the dedicated 20-gauge auto market. Finally, its light weight and compact feel make it an excellent choice for upland hunting where you’re covering miles.
Cons: The synthetic stock, while tough, feels utilitarian. The finish is basic blued, not corrosion-resistant like some modern coatings. As with any gas gun, it will need more detailed cleaning than a pump to stay at peak reliability. The 4-round capacity is standard but less than some tube-extended models.
Who This Shotgun Is For
Look, if you’re a new shooter, a younger shooter, or someone of smaller stature looking for a dedicated, easy-handling 20-gauge, this should be at the top of your list. It’s also a brilliant choice for an experienced hunter who wants a supremely light and fast gun for dove, quail, or squirrel. It’s not a tactical gun, and it’s not a showpiece—it’s a field tool designed to be carried, used, and relied upon. It’s compatible with many Mossberg SA-20 accessories and chokes, like the popular Carlson’s extended choke tubes for patterning different loads.
Frequently Asked Questions
Q: Is the Bantam stock only for kids?
A: Not at all. While perfect for youth, the 13″ length of pull is ideal for many adults, particularly women and men of smaller build. It promotes proper mounting and control. If needed, Mossberg offers longer stock spacers to increase the pull.
Q: What shells does it cycle reliably?
A: The gas system is designed to handle the full spectrum of 20-gauge shells, from light 7/8 oz target loads up to 3″ magnums. For the best function, break it in with a few boxes of standard velocity loads (like 2 3/4″ #7.5 or #8 shot) first.
Q: Is it ready to hunt right away?
A: Yes, it’s drop-in ready. It comes with a modified choke tube installed, which is a great all-around choice for everything from clays to early-season waterfowl. Just remember, an FFL transfer is required for firearm purchases when it ships to Missouri and compliant US states.
If you’ve been looking for a 20-gauge that prioritizes fit and function over flash, the Mossberg SA-20 Bantam deserves a close look. Check its availability on our site.
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