Mossberg FIELD Shotgun: Lightweight Precision for Range & Defense

When you need a shotgun that balances field performance with defensive readiness, you want something predictable, light on recoil, and easy to index under stress. We look at shotguns from the perspective of real-world use — whether that’s wingshooting at first light or clearing a threshold — and evaluate fit, function, and value with a tactical eye.

MOSSBERG SA-20 ALL PURPOSE FIELD — a 20-gauge semi-automatic with gas operation that smooths cycling and reduces felt recoil, making repeated follow-ups fast and comfortable. The SA-20 sports a blued barrel, aluminum receiver, and is offered in configurations that include synthetic or walnut stocks and an optional pistol grip. It ships with a 26″ vent rib barrel, 3″ chambering, capacity of 5, and a fixed 14.5″ length of pull; select models may include ghost ring rear and winged front fiber optic sights, Picatinny rail, and Picatinny magazine tube tri-rail.

MOSSBERG SA-20 ALL PURPOSE FIELD side view with vent rib barrel

Design and Fit

The SA-20’s 26″ vent rib barrel and sport choke set make it a strong performer for clays, upland birds, and general range work. At 6.5 lbs and 46.5″ overall length, the balance favors comfortable carrying during long walks in the field. The fixed 14.5″ length of pull suits most shooters; models with an optional pistol grip improve control for defensive mounts and faster manipulation.

Materials and Finishes

The combination of a blued barrel and aluminum receiver keeps weight down without sacrificing durability. While some configurations arrive with a synthetic stock for weather resistance and hard use, other variants feature a walnut stock finish for a classic field aesthetic — the “Model: Various” approach gives buyers options tailored to their priorities.

Performance: Gas System & 20-Gauge Benefits

Gas operation is the defining mechanical trait here. It mitigates recoil and delivers smoother cycling across target loads and 3″ shells, which the 3″ chamber supports. That makes the 20-gauge SA-20 accessible for smaller shooters, youth, or anyone who values quicker recovery for follow-up shots without the harsher impulse of heavier gauges.

With a 5-round capacity and vent rib barrel geometry, expect consistent patterns with the included choke set — ideal for clay shooting, dove and quail outings, and short- to mid-range defensive scenarios. Select models with sighting options (ghost ring rear, fiber optic front) and accessory rails let you tailor the gun for low-light readiness or mounting optics and lights when necessary.

View product details and pricing to see which configuration matches your use case; the listed price is $604.99, which positions the SA-20 competitively against other semi-auto 20-gauge platforms.

Who This Is For

The MOSSBERG SA-20 ALL PURPOSE FIELD is ideal for shooters who want a lightweight semi-auto for sporting clays and upland seasons but also want a platform that can be configured for personal defense. The 20-gauge chambering offers easier handling and less fatigue on long days, while the gas system increases reliability across a range of 3″ loads.

Clickable product image of MOSSBERG SA-20 ALL PURPOSE FIELD showing receiver and stock options

If you’re choosing a versatile semi-auto that performs in the field and adapts for defensive readiness, the SA-20’s combination of gas operation, 20-gauge suitability, and multiple finish and sighting options makes it worth a close look. Check current availability to find the configuration that fits your next season or your home-defense plan.


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People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.

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