The UTG Keymod handguard Angled Index Mount comes in matte red with a reversible design for Left or right side hand guard installation. This UTG angled index mount includes a removable spacer to adjust for clearance needed to accommodate different handguard profiles and other installed accessories. The thumb indexing deck is configurable for forward or rearward cant and compatible with the most of Hand guards with octagonal profiles. This Angled Index Mount is made to last from CNC Machined from Lightweight 6061-T6 aluminum with a matte red hard anodized finish. The height: 1.39" and length : 1.46" weight: 0.8 oz.