Geissele ALG EMR V3-X 15" Black Handguard 05-323B is a rugged, lightweight free-float rail designed for AR-15 platforms, offering full configurability and unmatched modularity via M-LOK® and Picatinny mounting options. Featuring a continuous top Picatinny rail for optics or accessories and M-LOK slots on all quadrants (including upper 45°), this handguard allows versatile layout for lights, lasers, grips, bipods, and more. Engineered for rigidity and sustained zero retention despite robust use, the V3-X delivers pro-grade performance at an accessible value. Material: 6061-T6 aluminum Finish: Type III hardcoat anodized black Length: 15? Height: 2.5? exterior Inner diameter: 1.46?; outer diameter (DAQ): 1.75? Weight: approximately 1.37lb (622g) Features: Full-length Picatinny top rail; M-LOK slots at 2, 4, 6, 8, 10 o'clock and upper 45° Part number: 05-323B Geissele Automatics Geissele ALG EMR V3-X 15" Black Handguard 05-323B