Proprietary refinements to the ultra-reliable Bruno Civolani ,floating bolt, action ensure the Inter Arms IT1 is able to quickly cycle even the lightest of 12 gauge loads. The rotating bolt utilizes the unstoppable Inertia Technology Locking System to ensure positive bolt head lock-up to the breach under all conditions.Features :Positive Bolt Head Lock-upRotating BoltCycles Even the Lightest of 12 Gauge Loads