Upgrade your AR-15 with the Dirty Bird AR-15 SMRS Handguard V3 12.7″ Black, a premium free-float M-LOK rail system engineered for unmatched durability, versatility, and ease of use. Designed by Dirty Bird Industries for tactical enthusiasts and competitive shooters, this handguard delivers a slim profile without sacrificing strength, ensuring your rifle performs at its peak while keeping your setup lightweight and agile.
Key Features
- Robust Construction: Machined from aircraft-grade 6061-T6 aluminum with Type 3 hard anodizing for superior corrosion resistance and longevity, this handguard withstands the rigors of intense training and field use.
- Versatile Mounting Options: Full M-LOK slots on all sides, including the shaved top rail section, allow seamless attachment of lights, grips, lasers, and other accessories. The 1913 Picatinny top rail features a beveled center for reduced weight and snag-free handling.
- Integrated Rail Sections: Gen 3 design includes built-in 3-slot Picatinny rails at the 12, 3, 6, and 9 o’clock positions near the handguard mouth, providing quick-access mounting points without added bulk.
- Patented ASAL™ System: The anti-slip/anti-lift attachment method uses a tapered CamLok™ fastener to eliminate forward slip, rotation, and muzzle-end lift—reducing lift by up to 10x for improved accuracy and sight alignment.
- Snag-Free Design: Smooth octagonal exterior ideal for custom coatings or patterns, enhancing grip and aesthetics while preventing snags on gear.
Technical Specifications
- Length: 12.7 inches
- Color: Black (Type 3 Hard Anodized)
- Rail System: M-LOK with Picatinny top rail
- Profile: Free-Float, Slim
- Interior Diameter: 1.35 inches (1.7 inches maximum vertical for low-profile gas blocks)
- Weight: Approximately 8.5 oz (lightweight for enhanced maneuverability)
- Compatibility: Fits standard AR-15 uppers; works with most low-profile gas blocks
Why Choose the Dirty Bird SMRS V3 Handguard?
This handguard addresses common pain points like installation hassles and accessory instability. Say goodbye to timing barrel nuts or using shims—the straightforward clamp-on setup requires only a 1-3/16″ crow’s foot wrench and 5/32″ Allen key for a secure, tool-minimal install. The ASALâ„¢ system ensures rock-solid stability under recoil and heat, preventing the wobble that can throw off your zero or compromise handling. Whether building a custom rifle or upgrading an existing one, the SMRS V3 offers a zero-compromise solution that’s tough enough for duty use yet practical for everyday range sessions. Proudly made in the USA and backed by Dirty Bird Industries’ limited lifetime warranty, it’s a reliable investment in your firearm’s performance.
Transform your AR-15 into a precision instrument today—add the Dirty Bird SMRS Handguard V3 to your build and experience the difference in stability, modularity, and confidence on every shot.
Frequently Asked Questions
Is this handguard compatible with my AR-15 pistol build?
Yes, the 12.7″ length is ideal for AR-15 pistols and rifles, fitting standard mil-spec uppers and supporting brace or stock configurations.
How easy is the installation process?
Installation is simple and proprietary-tool free: torque the barrel nut, secure with the ASALâ„¢ CamLokâ„¢, and you’re done—no gas tube timing or shims needed.
Does it work with suppressor-ready setups?
Absolutely, the 1.35″ interior diameter accommodates most low-profile gas blocks and direct-thread suppressors, maintaining free-float benefits for accuracy.

