SureFire M80 Picatinny Rail Forend is a high-quality SureFire Picatinny forend for the Benelli M4 that replaces the weapon's stock forend allowing the user to mount a variety of accessories. Machined from military specification hard-anodized aluminum, Sure-Fire M4 Benelli Picatinny Forends M80're stronger, dissipate heat much better and provide rock-solid weapon fit. These precision rails enable consistent "repeat zero" of any accurately dimensioned devices attached to them, such as SureFire lasers or Weapon Lights. The Benelli Super 90 M4 Shotgun also known as the Benelli M4 M1014 Combat Shotgun is a shotgun manufactured by Benelli Armi S.P.A.. It is currently used by the U.S. Armed Forces as their "Joint Service Combat Shotgun".