Mossberg SA-20
O.F. Mossberg & Sons, Inc. · Shotgun · In Production · 2009
Also known as: Mossberg International SA-20, SA-20 Autoloader
Overview
The Mossberg SA-20 is a gas-operated, 20-gauge semi-automatic shotgun marketed under the Mossberg International line. Designed as a lightweight, soft-shooting autoloader chambered for both 2¾-inch and 3-inch shells, it uses a self-regulating gas system to cycle a wide range of field and target loads. The SA-20 is offered in all-purpose field, Bantam, turkey, and tactical configurations, with barrel lengths from 20 to 28 inches and interchangeable choke tubes.
Specifications
| Weight (empty) | 2720 g (95.9 oz) |
| Overall Length | 1168 mm (45.98") |
| Barrel Length | 660 mm (25.98") |
| Action Type | Gas Operated |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Single Action |
| Magazine Capacity | 5 rounds |
| Magazine Type | Tubular |
| Muzzle Velocity | 366 m/s (1201 fps) |
| Muzzle Energy | 1875 J (1383 ft·lbf) |
| Effective Range | 40 m (44 yd) |
| Barrel Rifling | Smoothbore |
| Frame Material | Aluminum Alloy |
| Barrel Material | Steel |
| Stock Material | Synthetic |
| Finish | Matte Blued |
Calibers
- 20 Gauge · primary — also known as 20 ga, 20 bore
Features
- Firing modes: Semi Automatic
- Feed systems: 5-Round Tubular Magazine
- Safety mechanisms: Manual Safety, Trigger Block
- Features: Gas Operated Self Regulating Action, Dual Gas Vent System, Interchangeable Choke Tubes, Ventilated Rib, Picatinny Accessory Rail Optional
Production
Production years: 2009–present
Civilian sporting and tactical autoloader; produced in multiple field, Bantam, turkey, and tactical variants.
Origin
Country of origin: Turkey
Notes
Sold under the Mossberg International brand; the SA-20 family is produced in Turkey for O.F. Mossberg & Sons. Tactical models use a 20-inch cylinder-bore barrel with a Picatinny-compatible rail, while field models ship with ventilated-rib barrels and screw-in chokes.
Background
Introduced to give Mossberg an affordable gas-operated 20-gauge autoloader, the SA-20 became a popular entry-level semi-auto for upland and small-game hunters, clay shooters, and recoil-sensitive or youth shooters, with Bantam models offering a shortened length of pull.