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Questions & Answers
Does this work for regular MLOK rails? Expert Answer

Yes it does work on M-LOK rails.

by Brandon B, Gear Expert, November 5, 2021
Will this work on a standard ar platform handgaurd or is it specific to h&k? Expert Answer

The Arisaka Defense Geissele SMR 416 Indexers is compatible with any M-LOK rail system.

by Ethan, Gear Expert, June 24, 2022
Customer Reviews
Most Recent Reviews
Built Tough and Looks Good/Minimal by Mike Diggs, Verified Owner, February 28, 2024
I like the feel of it; with a bit of loctite, it's not going anywhere.
Most Recent Reviews
416 finger stop by Dylan Ricard, Verified Owner, February 20, 2024
I installed this gem on my Hk 416. It fits the 416 giesselle rail perfectly . Fit and finish is exactly what you’d expect from arisaka, flawless. I recommend
Read All 2 Reviews
Color: Black Gun Make: AR Platform , Heckler & Koch Gun Type: Rifle Gun Model: Heckler & Koch HK416 Length: 2.2 in

Code: 3KD-VG-IG416-IDX-G416

MPN: IDX-G416

UPC: 601557939739

List: $50.97Save 18%
$41.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Arisaka Defense Geissele SMR 416 Indexers

This product is designed for the older direct mount Geissele 416 handguards. If you have the new MK15 416 handguard with M-Lok slots then you should use the M-Lok version of the Indexer.image

The Patent Pending Arisaka Indexer is a continuation of our low profile, minimal control accessories. It was developed due to end-user demand for a Geissele SMR 416 version of our Finger Stop for Picatinny rails, and features a slim front-to-back profile and slight radius across both faces.

The Indexer can be used in a variety of ways, but the main intent is to place it between two fingers (usually index and middle). This typically places it further forward on the handguard, which also means it doesn't get in the way when transitioning to kneeling or prone shooting positions, where most people move their support hand towards the rear. Used in this manner, the Indexer makes it much easier to pull the rifle into your shoulder and maintain control while shooting.

Additionally, the wider, flatter profile of the Indexer functions very well as a hand stop or barricade stop, and also works as a forward limit to prevent your fingers from slipping off shorter handguards onto a hot barrel or suppressor.

Specifications for Arisaka Defense Geissele SMR 416 Indexers:

Manufacturer: Arisaka Defense
Color: Black
Finish: MIL-A-8625 Type III Hard Coat Anodized
Gun Make: AR Platform, Heckler & Koch
Gun Type: Rifle
Gun Model: Heckler & Koch HK416
Length: 2.2 in
Width: 0.58 in
Height: 1 in
Weight: 0.9 oz
Mount Type: M-LOK
Gun Rail: Picatinny
Country of Origin: USA
Fabric/Material: 6061-T6 Aluminum

Features of Arisaka Defense Geissele SMR 416 Indexer

  • Requires an IP25/T25 Torx wrench for installation (not included)

Package Contents:

  • Arisaka Defense Geissele SMR 416 Indexers

Arisaka Defense Geissele SMR 416 Indexers Orderable Models

List of Orderable Models

  • Arisaka Defense Indexer, Geissele SMR 416, Heckler & Koch, HK 416, Black, IDX-G416 , MPN: IDX-G416 , UPC: 601557939739 , Code: 3KD-VG-IG416-IDX-G416
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