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Inertia Driven®

Benelli’s Inertia Driven® system, developed in 1967, operates cleanly and reliably without adjustments.

Inertia Driven® is the original version of the best operating system ever devised. There are Inertia Driven® Benelli shotguns that have fired 500,000+ rounds and still function perfectly.

The proven system is…

  • Reliable
    • No adjusting, ever
    • Consistent, reliable cycling, year after year
    • Handles light field loads to 3-1/2-inch magnums
  • Simple
    • Just 3 main parts: bolt body, inertia spring, and rotating bolt head
  • Clean
    • Gas, smoke and burnt powder remain in the barrel
    • Residue doesn’t enter the gun’s mechanism
    • Remains cleaner than gas systems
  • Strong
    • Steel locking lugs on a rotating bolt head
    • Bolt head locks steel-to-steel with the barrel
    • Lock becomes even tighter during firing
  • Fast
    • Smaller mass of parts
    • Quicker than other operating systems
  • Low Maintenance
    • Operates more cleanly than gas-system guns
    • Less time required for cleaning
  • Lightweight
    • Benelli semi-auto shotguns are among the world’s lightest
  • Perfectly Balanced
    • Balances as a fine game gun should
    • No heavy components under the forend