The Mossberg 500XBL Security 12 Gauge barrel is built for close-quarters performance with an 18.5″ smoothbore tube and a 3″ chamber. A front bead sight helps establish a quick aiming reference, while the fixed cylinder choke keeps the setup simple and effective for defensive patterns.
Key Features
Front bead sight for fast, simple target acquisition
Invector-compatible configuration with fixed cylinder choke
3″ chamber supports a wide range of 12 Gauge loads
Matte blue steel construction for durable, subdued finish
18.5″ barrel length for handling in tight spaces
Smoothbore design for shot and specialty shotgun use
Swap to a shorter Mossberg 500 security barrel with a fixed cylinder and bead sight for a straightforward defensive configuration.
