The Stevens 320 Security pump shotgun uses a proven rotary bolt design and dual slide bars. It is a bottom load, right eject, and has a tube magazine with a 5-round capacity. The 320 Security has an 18.5" carbon steel barrel with a cylinder bore and a blued metal finish. This 20 gauge model has a bead sight and black synthetic buttstock with a pistol grip.
| Chokes Included | Cylinder |
| FireArm | yes |
| Barrel Length | 18.50" |
| Barrel Length Range | 18" to 18.99" |
| Chamber | 3" |
| Receiver Description | Blued Carbon Steel |
| Weight Range | 6 lbs to 6.99 lbs |
| Weight | 6.70 lbs |
| Hand | Ambidextrous |
| Stock Finish Group | Black |
| Metal Finish Group | Blued/Black |
| Sights | Bead |
| Barrel Description | Carbon Steel |
| Capacity | 5+1 |
| Action | Pump |
| Stock Description | Fixed w/Pistol Grip |
| Gauge | 20 Gauge |
| Trigger | Standard |
| OAL | 39.10" |
| Safety | Thumb |
