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.
Receiver
- US Made
- 1913 Picatinny Rail Flat Top
- Anodized Black Finish
- Slim Profile Shell Deflector
- .223 / 5.56 Cal
- Manufactured From Solid Block Of Billet Aluminum
- Will Match Up With Any Brand Lower Receiver
- T6 6061 Billet
- M4 Feed Ramp
- Accepts MIL-SPEC Ejection Port Door Kit And Forward Assist Kit (Not Included)
Handguard
- US Made
- T6 Aluminum Body
- Total Weight Including Barrel Nut Is 10.8 Oz
- Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail
- Ultra Lightweight
- M-LOK System
- 15″ Length
- Internal Diameter: 1.34″
- Anodized Black Finish
- Proprietary Barrel Nut Included
- Rail System Slides Over Barrel Nut, And Is Locked Up Against Receiver With 6 Screws
- Heavy Duty
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Morgan –
The AR-15 Stripped Billet Upper Receiver 15” Ultralight Series M-LOK Handguard Combo Set in anodized black truly exceeded my expectations. From the moment I unpacked it, you can tell this is a top-tier piece crafted by folks who know their stuff. The billet upper is incredibly solid—it’s noticeably heftier and more rigid than standard stamped options, giving me confidence in its durability and strength. The anodized black finish is flawless, providing a sleek, professional look that holds up well even after handling and cleaning.
One of the standout features is the ultralight design combined with the M-LOK handguard. Despite its lightweight build, it feels sturdy and well-machined, with precisely cut slots that make attachment of accessories clean and secure. The entire set feels meticulously manufactured, with tight tolerances that speak to its high quality. The 15-inch length offers great flexibility for customization and allows for a comfortable, balanced feel when mounted on my build.
Installation was straightforward, thanks to clear machining and flawless threading. The set’s design also offers excellent compatibility with a variety of AR-15 components, making it a versatile upgrade or build foundation. The M-LOK system’s modularity is a huge plus, letting me attach lights, lasers, or grips without fuss.
In terms of value, this combo set is a fantastic investment—especially considering it’s American-made quality at a reasonable price point. The attention to detail and premium materials stand out, and it’s obvious it’s made to last. Whether for a custom build or upgrading an existing rifle, this set provides both aesthetics and performance.
Overall, it’s a highly recommended choice for anyone serious about their AR-15’s performance and appearance. It’s a reliable, well-designed product that aligns with the needs of both seasoned shooters and hobbyists alike. For those shopping for a quality upper receiver and handguard combo set, this one from guntecusa.com is definitely worth considering.