Aim Sports Russian AK-47 KeyMod handguard is a 2-Piece drop-in style design. It is machined from 6061 aluminum with anodized finish for hard use and features a Picatinny 1913 top rail with a grenade sight cut out. The handguard mounts with unique barrel clamps and receiver clamps and has 9 KeyMod rows for ultimate modularity. This long model is 13.4″ long.