The 10" AR Forend Quad Rail by Barska, featuring four picatinny-style rails on a 2 piece free-floating AR platform with 14 sections for flashlights, lasers and/or other accessories. Designed to dissipate heat from rifle barrel. Compatible with AR-15, M16, M4 and other standard AR carbine platforms. Backed by Barska's 1 Year Limited Warranty.