The Stevens 320 Security is a 12-gauge pump-action shotgun with an 18.5-inch barrel, 5+1 capacity, and a synthetic matte-black stock. It weighs 6.7 lbs and comes in at 38.25 inches overall. 
 

Key Specifications 

• Manufacturer: Stevens 
• Model: 320 Security 
• Gauge: 12 GA 
• Action Type: Pump Action 
• Capacity: 5+1 rounds (5 in the magazine + 1 in the chamber) 
• Barrel Length: 18.5 inches 
• Overall Length: 38.25 inches 
• Weight: 6.7 lbs. 
• Chamber Size: 3 inches 
• Sights: Bead Front Sight 
• Stock Material: Synthetic with a Matte Black Finish 
   

Detailed Features 

The rotary bolt and dual slide-bars keep the action running smoothly under load. The synthetic stock and fore-end hold up in wet conditions and don't require the maintenance that wood does. A fixed cylinder bore choke is standard, producing wide patterns at close range -- appropriate for home defense work. The crossbolt safety is straightforward to operate. 
 

Usage 

The 18.5-inch barrel and 38.25-inch overall length make this easy to move through tight spaces. At 6.7 lbs it's light enough for most users without feeling flimsy. The 320 Security covers home defense basics at a budget price, and it handles basic field use and clay target practice without issue.

The Stevens 320 Security comes up consistently in budget home-defense shotgun discussions. The consensus is that it delivers reliable function at a price that doesn't require much justification.

The pump action gets positive marks for smooth operation and the design is simple enough that new shooters pick it up quickly. Recoil is manageable, which helps with follow-up shots.

Build quality is the recurring caveat. Most users find it acceptable for the price, but comparisons to higher-end shotguns show where corners were cut -- mainly in materials and finish. That said, no one reports mechanical failures attributable to it.

The matte black finish works fine tactically. Customization discussions are common -- slings, lights, and aftermarket stocks come up, and the 320 has enough aftermarket support to make those additions straightforward.