2 Piece Drop In Handguard Quad Rail 12" Rifle Length for .223 and 5.56 (Fits Round End Cap) will not fit flush with

will not fit flush with Aero 308 Uppers

Thread: 1/2"x28 with Wrenching Flats

Sapphire lenses coating

Easy to installation

Diopter range

2 Piece Drop In Handguard Quad Rail 12" Rifle Length for .223 and 5.56 (Fits Round End Cap) will not fit flush withAluminum 2 Piece Drop In Handguard Quad Rail 12 inch Rifle Length for . 223 5. 56 (Fits Round End Caps). SKU: MQRRL A Easy to install just remove your existing rifle length handguard and replace 'drop in' this one. No need to remove the front sight post or make any modifications. Four rails of Picatinny accessory slots mean you can add a variety of accessories such as foregrip, bipod, tactical flashlight and laser. Fits Most Makes and Models of AR 15