The B5 Systems Vertical M-LOK Grip is ergonomically designed to optimize weapon handling. Features aggressive four-sided texture and includes M-LOK installation hardware. Mounts in 2 Directions 19Adeg Forward Mount Angle 12Adeg Backward Mount Angle Durable Composite Material Textured on all 4 Sides Compatible with Standard M-LOK Rail Systems Weight: 1.1 oz Length: 2.16 in Width: 1.04 in Height: 2.80 in *Not compatible with B5 Systems Grip Plug