As the gun recoils during firing, the inert breech bolt moves about 4mm forward, compressing the spring. The M2 operates by means of a spring that is freely interposed between the locking head and bolt. The system has three basic moving parts: the bolt body, the inertia spring and the rotating bolt head. Most auto-loading gauge shotguns use some sort of gas-operated feeding system. With the M2 Tactical, form follows function, and its svelte lines contradict the often brutish appearance that generally distinguishes other tactical shotguns.
But Benelli has adapted its ultra-reliable inertia-driven operating system to the tactical shotgun format with the new M2 Tactical, thus challenging assumptions as to what a tactical shotgun should be.
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