Description
The Daniel Defense Omega Rail 9.0 M-LOK is one of the easiest ways to turn a basic mid-length AR-15 into something that looks and shoots like a serious rifle. This is a two-piece drop-in free float rail that replaces your factory polymer handguards without pulling the barrel nut or running to a gunsmith. You install it yourself with the provided Allen wrench, and it requires zero modification to the weapon, so you can knock it out at the bench in an afternoon.
What the Omega Rail 9.0 Brings to Your Build
Machined from aircraft grade 6061-T6 aluminum and finished in Military Specification Type III hard coat anodizing, this rail is built to shrug off hard use and hold up in the field. It features seven sides of M-LOK slots, giving you room for lights, lasers, vertical grips, bipods, and hand stops wherever you want them. The uninterrupted top rail runs continuous with your upper receiver, so mounting optics, back-up sights, or night vision stays flat and true from front to back.
Slings, Weight, and the Little Details
Two integral QD sling swivel mounts with rotation limiters are built right in, which means you can hang a sling on either side without adding bulky mounts that spin loose on you. At roughly 8 ounces it stays out of your way and keeps the front end nimble, and the oval profile gives it a natural feel in the hand that's closer to a traditional handguard than a lot of skinny rails out there. Every fastener is made to military specification, so nothing works its way loose over time.
Fitment Notes for the 9" Omega Rail
This 9-inch model is designed specifically for mid-length AR-15 gas systems and works with a standard front sight base. It's a popular upgrade on rifles like the S&W M&P Sport and other mid-length carbines where folks want free-float performance without the hassle of a full rebuild. Made in the USA and backed by Daniel Defense's reputation for doing things right the first time.
Key Specifications
- Manufacturer: Daniel Defense
- MPN: 01-005-11047
- UPC: 818773020794
- Length: 9" (8.99")
- Attachment System: M-LOK
- Rail Type: Two-Piece Drop-In Free Float
- Gas System: Mid-Length
- Material: Aircraft Grade 6061-T6 Aluminum
- Finish: Military Spec Type III Hard Coat Anodized, Black
- Weight: Approx. 8.2 oz
- Width: 1.85"
- Height: 2.14"
- Sling Mounts: Integral QD Swivel Mounts with Rotation Limiter
- Country of Origin: USA
What’s Included
- Omega Rail 9.0 M-LOK handguard (two-piece)
- QD sling swivel mount(s) with rotation limiter
- Mounting hardware / fasteners
- Allen wrench for installation
Frequently Asked Questions
Does the Omega Rail 9.0 require removing the barrel nut or a gunsmith to install?
No. This is a two-piece drop-in free float design that installs with the included Allen wrench and requires zero modification to your rifle. You leave the factory barrel nut and front sight base in place, so most folks can handle the swap at home in a short sitting.
What gas system length does this 9" Omega Rail fit?
The Omega Rail 9.0 is designed to work with mid-length AR-15 gas systems and a standard front sight base. It's a common upgrade on rifles like the S&W M&P Sport and similar mid-length carbines. If your rifle runs a carbine or rifle-length gas system, you'll want to match the rail to that setup instead.
How many M-LOK slots and sling mounts does it have?
The rail offers seven sides of M-LOK compatibility, giving you plenty of spots for lights, grips, bipods, and other accessories. It also includes two integral QD sling swivel mounts with rotation limiters, so you can run a sling on either side without adding a separate mount.
Is the Omega Rail 9.0 a true free-float handguard?
Yes. It's a genuine two-piece free float rail, meaning it doesn't put pressure on the barrel, which helps with consistency and heat management during longer strings of fire. It's CNC machined from aircraft grade aluminum with a Type III hard coat anodized finish for durability.



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