Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
- US Made
- Cerakote Flat Dark Earth Finish
- Total Weight Including Barrel Nut Is 10 oz!!
- Triangle / Diamond Skeletonized Cuts Throughout Handguard to Reduce Weight
- Machined QD Swivel Socket On Rear End Of Handguard (Right & Left Side)
- T6 Aluminum Body
- M-LOK Slots On 3 Sides of Handguard (Bottom, Left & Right Sides)
- Rail Slides Over Barrel Nut, And Is Compressed Down Against Receiver With 4 Screws
- 15″ Length
- Internal Diameter: 1.32″
- AIR-LOK Series – Compression Lock Down Design
- Proprietary Barrel Nut Included
- Tight Fit Up Against Receiver, Which Allows For A Monolithic Picatinny Top Rail
- Heavy Duty
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Winifred Steele –
The 15″ AIR-LOK Series M-LOK Compression Free Floating Handguard with Monolithic Top Rail in Flat Dark Earth truly stands out for anyone serious about quality and performance. From the moment it arrived, the craftsmanship was evident — precise machining, robust construction, and a sleek finish that complements my AR-15 build perfectly.
What sets this handguard apart is its innovative AIR-LOK system, which provides a secure, compression-free fit that eliminates excessive movement and enhances overall stability. It feels solid in hand and mounts effortlessly onto the upper receiver, giving my rifle a seamless, integrated look. The Flat Dark Earth finish is both military-inspired and stylish, fading well with different accessories and optics.
Design-wise, the M-LOK slots are generously spaced, offering plenty of customization options for attaching lights, grips, and bipods. The monolithic top rail integrates smoothly, providing a rock-solid platform for optic mounts or additional rail sections. I’ve used similar free-floating handguards before, but this one’s strength lies in its lightweight yet durable feel — it doesn’t add unnecessary weight, yet it inspires confidence when firing.
The quality of the materials, presumably high-grade aluminum, is evident, and the tolerances are tight, ensuring longevity even under repeated use or rough handling. Since I’ve started using this handguard, the accuracy and stability of my AR have noticeably improved, especially with optics mounted on the monolithic rail. Value-wise, it’s a solid investment; American-made accessories like this provide peace of mind regarding durability and craftsmanship.
Overall, the 15″ AIR-LOK Series M-LOK Handguard balances aesthetics, function, and value in a way that appeals to both seasoned collectors and everyday shooters. While it’s a high-quality piece that may be a little more premium than some entry-level options, the performance and build quality justify the investment. If you’re looking to upgrade your AR with a reliable, American-made, free-floating handguard that offers both customization and strength, this model is definitely worth considering.