The Arisaka Vertical Grip is a robust, minimal grip for M-Lok handguards. It features a radiused profile at the top which tapers to meet the mounting surface on the handguard, giving a low-profile feel and ergonomic comfort. Twin mounting screws ensure secure attachment. The grip is hollow, with no end-cap.Features :,Height: 2.50";"Width: 1.30""Weight: 1.8 oz,Hardware: Two M-Lok nuts and two 10-24x3/4" hex cap head screws,Made in the USA