The Daniel Defense MFR 13.5 handguard (brand part no. 01-107-15189-006) is a 13.5-inch free float M-LOK rail built in black for AR-15 platform rifles. Daniel Defense is known for handguards that hold zero reliably on duty and precision rifles, and the MFR line continues that reputation with a free-float design that keeps the barrel unstressed by mounted accessories. The M-LOK attachment system lets shooters mount lights, grips, and other gear directly to the rail without the added bulk of a full-length Picatinny rail, and the extended 13.5-inch length gives rifle-length builds plenty of real estate for accessories.

Key Specifications

• Measures 13.5 inches in length for a rifle-length handguard footprint.
• Uses a free float mounting design to keep the barrel unstressed by accessories.
• Features M-LOK attachment slots for mounting lights, grips, and other gear.
• Finished in black for a standard tactical appearance.
• Weighs approximately 1.1 pounds.
• Machined from 6061-T6 aluminum with Type III hardcoat anodizing for durability.
• Mounts using Daniel Defense’s proprietary steel barrel nut with anti-rotation tabs for a secure fit.
• Includes an integrated full-length Picatinny top rail for optics and accessories.
• Features configurable QD sling swivel attachment points.

Frequently Asked Questions

Is this handguard free float? Yes, it uses a free float design that keeps the barrel unstressed by mounted accessories.

What attachment system does this rail use? M-LOK slots for mounting lights, grips, and other accessories.

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