Description
Running a laser and a light on the same rifle usually means fighting for real estate. The Arisaka Side Scout Mount (SSM) solves that headache by replacing the stock Picatinny rail adapter on your scout light with a slim mount that tucks the light underneath either side of your ATPIAL series laser. It clears the ATPIAL-C, AN/PEQ15, and LA-5/PEQ, plus it gives room for an NGAL and the QD lever on the Steiner DBAL I2, A3, and D2. If you run night vision and want a clean, integrated setup, this is the piece that pulls it all together.
What Makes the Side Scout Mount Different
Arisaka kept this one as low profile as possible, and it shows. The mount is CNC machined from 7075-T651 and 6061-T651 aluminum with a MIL-A-8625 Type III hardcoat anodized finish, so it holds up to hard use and stays subdued. It came out of years of prototyping specifically for the night vision crowd, and the design keeps the light body snug against the rail instead of hanging out where it can snag on gear or barricades.
Lights That Fit the Side Scout Mount
Compatibility is broad. It works with Surefire M300 and M600 series bodies (including the A, B, C, V, and DF variants, plus the M312, M322, and M600 sub-models), Modlite PLH, PLHv2, and OKW, Streamlight Protac Rail Mount 1, 2, and HL-X (non-laser), CD REIN, and Arisaka's own 300, 600, and 18650 Series. Longer-base scout lights like the M620 and M951/2 will work too with the addition of Arisaka's Offset M620 adapter.
Getting the Side Scout Mount Set Up
Installation is straightforward if you have the right drivers on hand. You'll need a T27/IP27 and a T20/IP20 for the mount itself, plus a T9 to pull the stock Picatinny adapter off your Surefire scout light. Arisaka recommends 20 inch-pounds on the light body screws and 30 inch-pounds on the clamping screw, with a low-to-medium strength threadlocker like Loctite 222 or 243. It's made in the USA and covered under Arisaka's patent.
Key Specifications
- Manufacturer: Arisaka Defense
- Model: Side Scout Mount (SSM)
- Manufacturer Part Number: SSM-P
- UPC: 601557939494
- Rail Interface: Picatinny MIL-STD-1913
- Material: 7075-T651 and 6061-T651 Aluminum
- Finish: MIL-A-8625 Type III Hardcoat Anodized, Black
- Color: Black
- Product Type: Weapon Light Mount
- Compatible Lights: Surefire M300/M600 Series, Modlite PLH/PLHv2/OKW, Streamlight Protac RM 1/2/HL-X, Arisaka 300/600/18650
- Installation Tools: T27/IP27 and T20/IP20 Torx (not included); T9 to remove stock adapter
- Origin: Made in the USA
What’s Included
- Arisaka Side Scout Mount (Picatinny)
- One 10-32 x 1.25" Torx cap head screw
- Two 8-32 x 3/8" Torx flat head screws
Frequently Asked Questions
What lights work with the Arisaka Side Scout Mount?
It fits a wide range of scout-style bodies, including Surefire M300 and M600 series, Modlite PLH, PLHv2, and OKW, Streamlight Protac Rail Mount 1, 2, and HL-X non-laser, CD REIN, and Arisaka's 300, 600, and 18650 Series. You essentially pull the factory Picatinny adapter off your light and bolt the body onto the SSM. Longer-base lights like the M620 or M951/2 need Arisaka's separate Offset M620 adapter to work.
Does the Side Scout Mount clear my ATPIAL or DBAL laser?
Yes, that is exactly what it was built for. The mount tucks the light underneath either side of the ATPIAL series, including the ATPIAL-C, AN/PEQ15, and LA-5/PEQ, and it also clears an NGAL. On the Steiner side, it positions the light below the QD lever on the DBAL I2, A3, and D2.
What tools do I need to install the Side Scout Mount?
You'll want a T27 or IP27 TorxPlus and a T20 or IP20 TorxPlus driver for the mount, none of which are included. A T9 Torx is needed to remove the stock Picatinny adapter from your Surefire scout light. Arisaka recommends torquing the light body screws to 20 inch-pounds and the clamping screw to 30 inch-pounds with a low or medium strength threadlocker like Loctite 222 or 243.
Will the Arisaka Side Scout Mount fit an M-LOK handguard?
No, this version is built for Picatinny rails only. If you're running an M-LOK handguard, Arisaka makes a dedicated M-LOK version of the Side Scout Mount instead. Make sure you match the mount to the rail system on your rifle before ordering.






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