The YHM 2-Piece Carbine Handguard Assembly replaces standard plastic handguards with a robust 4-rail Picatinny design made from lightweight aircraft-grade aluminum.YHM 2-Piece Carbine Handguard AssemblyQuad rail Picatinny design for maximum accessory mountingTotal length: 6.625 inchesTotal weight: 10.464 ozHardcoat anodized matte black finish to military specificationsRemovable bottom rail for grenade launchers flare launchers and shotgunsLightweight aircraft-grade aluminum constructionNote: Will not fit Colt carbinesIdeal for tactical applications and accessory customization this handguard provides superior mounting options while maintaining lightweight performance for carbine-length firearms.