Arisaka Defense 3" M-LOK Picatinny Rail with QD Socket Slot
Arisaka Defense
$50.00
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Arisaka Defense
Arisaka Defense 3" M-LOK Picatinny Rail with QD Socket Slot
The Arisaka Defense 3" M-LOK Picatinny Rail with QD Socket Slot is a precision-engineered accessory mounting solution that brings full 1913 Picatinny compatibility to any M-LOK handguard — purpose-built for shooters who demand rock-solid performance and zero-compromise craftsmanship.
- Covers 3 M-LOK slots, offering a compact and lightweight rail section
- Integrated anti-rotation QD socket slot for secure sling attachment points
- Designed for seamless use with the Arisaka Rail Slider system
- Includes both standard and short screws to clear gas blocks and thick barrels
- CNC machined from aircraft-grade 6061-T651 aluminum for maximum durability
- Mil-A-8625 Type III hard coat anodized finish for corrosion and wear resistance
Who This Is For
This rail section is ideal for AR-15 and AR-10 owners who want to add a short run of Picatinny real estate to their M-LOK handguard without sacrificing weight or clean lines. It's a natural fit for precision shooters, duty-use builds, and anyone running the Arisaka Rail Slider who needs a dedicated QD sling attachment point alongside standard accessory mounting capability.
Specifications
| Brand | Arisaka Defense |
|---|---|
| Rail Length | 3 Inches (covers 3 M-LOK slots) |
| Rail Standard | MIL-STD-1913 Picatinny |
| Material | 6061-T651 Aluminum |
| Finish | Mil-A-8625 Type III Hard Coat Anodize |
| QD Socket | Anti-rotation QD socket slot included |
| Included Hardware | Standard and short M-LOK screws |
| Torque (Metal) | 30 in-lbs |
| Torque (Polymer) | 15 in-lbs |
| Country of Origin | Made in the USA |
Frequently Asked Questions
Is this rail compatible with all M-LOK handguards?
Yes — the Arisaka Defense 3" M-LOK Picatinny Rail is compatible with any M-LOK-compatible handguard on the market, including those found on AR-15 and AR-10 platforms. Arisaka includes both standard and short mounting screws to accommodate handguards with varying slot depths and to help clear obstructions like low-profile gas blocks or thicker barrel contours. Always torque to 30 in-lbs on metal handguards and 15 in-lbs on polymer handguards.
Does this rail work with the Arisaka Rail Slider, and what is the Rail Slider used for?
This rail is specifically designed to pair with the Arisaka Rail Slider, which allows you to quickly reposition the rail section along your handguard without tools. This system is especially popular among competitive shooters and tactical users who need to adjust accessory placement for different shooting positions or missions. The rail can also be used independently as a standard fixed M-LOK Picatinny section.
Can I mount a sling and a Picatinny accessory on this rail at the same time?
Absolutely. The 3" Arisaka M-LOK rail features a built-in anti-rotation QD socket slot at one end, allowing you to attach a push-button QD sling swivel while still retaining usable Picatinny rail space for accessories like a flashlight, angled foregrip, or other rail-mounted devices. The anti-rotation design keeps your QD swivel from spinning under load, ensuring consistent sling positioning during use.
