The B5 Systems Vertical M-LOK(R) Grip is ergonomically designed to optimize weapon handling. Features aggressive four-sided texture and includes M-LOK(R) installation hardware.Features: Mounts in 2 Directions 19deg Forward Mount Angle 12deg Backward Mount Angle Durable Composite Material Textured on all 4 Sides Compatible with Standard M-LOK(R) Rail Systems Available in All Standard ColorsSpecifications: Weight: 1.1 oz Length: 2.16 in Width: 1.04 in Height: 2.80 in