Arisaka Inline Scout Light Mount – M-LOK, Black
Arisaka DefensePRODUCT OVERVIEW
At a Glance
FIT & COMPATIBILITY
What You Need to Know
Compatibility details selected by the Ready Gunner team.
PACKAGE DETAILS
Everything Included
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Arisaka Inline Scout Light Mount – M-LOK, Black
The Arisaka Inline Scout Mount is a patented low-profile mount that replaces a Scout-style light's stock Picatinny rail adapter with a direct M-LOK mount, tucking the light tight to the handguard. The light base sits only 0.20 inches above the mounting surface — Arisaka calls the Inline arguably its lowest-profile mounting solution. It is CNC-machined in the USA and finished in black Type III hard coat anodizing.
Light Compatibility
Per Arisaka, the mount fits the SureFire Scout Light M300 and M600 series, Modlite PLH, PLHv2 and OKW, Streamlight ProTac Rail Mount 1, 2 and HL-X (non-laser), Olight Odin, Cloud Defensive REIN, and Arisaka 300, 600 and 18650 Series lights.
Three Lateral Positions
Three mounting positions give 0.12 inches of offset to either side of center for front-sight and accessory clearance. The mount is especially useful on handguards with 45-degree mounting flats — BCM MCMR, Geissele SMR MK4/MK8/MK16, Daniel Defense MFR, KAC URX4, ALG EMR, Midwest Industries Gen 3, and Mega MML/Wedge Lock.
Installation
Installation requires a T20 Torx or IP20 TorxPlus driver (not included); a T9 Torx is needed to remove the stock Picatinny mount from SureFire Scout Lights. Arisaka's recommended torque is 30 in-lbs on the M-LOK screws and 20 in-lbs on the light body screws, with Loctite 222 or 243.
Product Specifications
| Manufacturer | Arisaka Defense |
| Model | Inline Scout Mount — M-LOK |
| Manufacturer Part Number | ISM-M |
| UPC | 601557940346 |
| Product Type | Light Mount |
| Mount / Fit | M-LOK; SureFire M300/M600 Scout, Modlite PLH/OKW, Streamlight ProTac Rail Mount, Arisaka Series Lights, Olight Odin, Cloud Defensive REIN |
| Material | 7075-T651 Aluminum |
| Finish | Type III Hard Coat Anodized, Black |
| Length | 3.4 in |
| Height | 0.20 in at the Light Mounting Point |
| Weight | 0.6 oz |
| Color | Black |
What's Included
- Inline Scout Mount
- 2 M-LOK nuts
- 2 10-24 x 5/16 in Torx button head screws
- 2 8-32 x 3/8 in Torx flat head screws
Specification note: Per Arisaka, this mount is not intended for use in a cantilever fashion hanging off the end of the handguard. Drivers are not included.
Product identification: Arisaka Inline Scout Mount, manufacturer part number ISM-M, UPC 601557940346. Specifications reflect the supplied product information.
- RG Product Type:
- Accessory
- Color:
- Black
- Material:
- Aluminum
- Fits:
- SureFire Scout lights / M-LOK
- MPN:
- ISM-M
- UPC:
- 601557940346