Benelli Inertia Spring.

Fits: Super Black Eagle 1, 2 and 3 (12 & 20GA), Centro/Sport, M1 Super 90, M2, M3, Sport II, Super Sport, Cordoba, Legacy, Ethos series (12 ga.), Ultra Light, Montefeltro and Vinci models. Constructed from quality steel material, this OEM factory genuine inertia spring is the perfect replacement part for your Benelli platform. Keep your shotgun in top operating and reliable condition with this spring. 

• This component is also compatible with 12ga. Ethos Sport, Ethos SuperSport, and Ethos Cordoba models.