The Arisaka Defense Indexer provides a consistent, repeatable hand placement reference point on Geissele SMR 416 handguards.
- Type: Hand stop / finger indexer
- Compatible Firearms: AR-15 rifles with Geissele SMR 416 handguards
- Material: 6061-T6 aluminum
- Finish: Type III hard coat anodized, black
- Mounting: M-LOK direct attach
- Installation: Tool-required (hex key included)
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