Lightweight 6061 aluminum construction; No Gunsmithing, drop in screwless installation, held in place by Delta ring and handguard cap with no permanent alterations to rifle; 4 MIL-STD 1913 Picatinny Rails provide a secure platform for mounting Picatinny accessories; Monolithic style continuous top rail; 7" carbine handguard replacement; Hard coat anodized finish; Lifetime Warranty; Made in the USA