Does this work with a streamlight protac hl-x when mounted at 1 oclock position with magpul gen 2 sights?

You need a modified short allen key to use the HL-X with the Inline mount. Also not sure about the Magpul sights fitting, not likely. Try the Arisaka Offset Scout mount or the Side Scout Mount.

So does this come with rings to mount a light in it or not? I just want to make sure I understand what I am buying.

This does not come with any rings. It is holed so that the Surefire Scout or Streamlight ProTac lights will sccrew right onto the mount using the screw/bolt holes on the bottom of the light's mount after removing the stock rail mount from the light. I actually use it with a ProTac 1 on my Saint Pistol - at the top-left 45 degree angle; works like a champ!

How do you actually mount the light to the rail? I can't seem to find anything that comes with the hardware

I used this with a Streamlight ProTac rail mount light. I removed the picatinny mount that was installed on the light, and replaced it with this to mount in the M-Lok slots on the handguard. Holds the light closer, and I was able to put it on the 45 degree section of the rail. The screw holes are standard Scout light pattern.

What size Allen is required to tighten down screws?

It’s not a Allen. Is a torx bit. Not sure the size, I have a kit for doing gun work that had it.

Arisaka Inline Scout Mount Ism M For M Lok

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Description

🔦 Elevate your tactical edge with precision and pride!

PROUDLY MADE IN THE USA - Manufactured entirely in the USA, guaranteeing premium quality and supporting domestic craftsmanship.
VERSATILE COMPATIBILITY - Supports a wide range of weapon lights including Arisaka’s M600, M300, and 18650 series, plus other popular models—one mount, endless possibilities.
TAILORED FIT FOR 45 RAILS - Specifically designed for M-LOK handguards with 45-degree mounting flats, ensuring seamless integration and rock-solid stability.
CUSTOMIZABLE LIGHT POSITIONING - Three lateral offset options let you optimize clearance and alignment, keeping your setup sleek and functional.
PRECISION ENGINEERED DURABILITY - Crafted from aerospace-grade 7075-T651 aluminum with MIL-A-8625 Type III hard coat anodizing for unmatched wear resistance.

The Arisaka Inline Scout Mount ISM-M is a premium M-LOK compatible mount engineered for 45-degree angled rails, offering adjustable lateral positioning for optimal weapon light placement. CNC machined from durable 7075-T651 aluminum and anodized for enhanced wear resistance, it supports multiple popular weapon light models. Proudly made in the USA, this mount combines rugged reliability with precision fit, perfect for professionals demanding both performance and style.

Specifications

ASIN	B00R1VU9DY
Best Sellers Rank	#40,683 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #73 in Sporting Optics Mounts
Brand Name	Arisaka
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (730)
Finish Types	Anodized
Global Trade Identification Number	00642049218321
Included Components	Arisaka Defense Inline Scout M-LOK Mounts
Item Weight	18.14 g
Manufacturer	Arisaka
Manufacturer Part Number	ISM-M
Material Type	7075-T651 Aluminum
Model Number	ISM-M
Mounting Type	Firearm Mount
UPC	642049218321
Unit Count	1 Count

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