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 In Scottsdale, Arizona
- 1913 Picatinny Rail Flat Top
- Will Match Up With Any Brand 9mm Lower Receiver Such As New Frontier, Palmetto State Armory, & Circle Quarter 10
- 9MM Cal
- Smooth “Slab Side” Design
- Cerakote Flat Dark Earth Finish
- T6 6061 Billet
- Ejection Port Opening Measurement : 0.61″ Width X 2.30″ Length
- Weight: 10.2 oz
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Alvarado –
The AR-15 9mm Dedicated Stripped Billet Upper Receiver in Flat Dark Earth truly stands out as a high-quality component for any serious build. As someone who appreciates both craftsmanship and durability, this piece exceeded expectations from the moment it was unboxed. The billet construction feels solid and premium—there’s a noticeable heft and sturdiness that you’d expect from American-made manufacturing. The Flat Dark Earth finish is not only attractive but also highly resistant to scratches and wear, making it ideal for everyday use in tactical or recreational settings.
One of the aspects I especially like is the precision machining. The fit and finish are impeccable, with tight tolerances that make assembly seamless without any unnecessary play. It’s evident that attention to detail was a priority, from the smooth internal surfaces to the clean, sharp edges on the exterior. The weight distribution feels balanced, which contributes to better handling and overall feel during shooting sessions. It’s also worth noting how easy it was to clean and maintain, thanks to the well-executed design.
Compatibility was a breeze, fitting perfectly with standard AR-15 components and allowing me to seamlessly integrate my existing parts. The dedicated 9mm design provides excellent support for a caliber-specific upper, ensuring reliable feeding and cycling. For anyone looking to build or upgrade a 9mm AR platform, this billet upper presents fantastic value—it’s sturdy, precise, and backed by a trusted American manufacturer.
The aesthetic appeal of the Flat Dark Earth finish complements a variety of other accessories and reduces glare in bright conditions. Overall, this upper receiver offers a perfect combination of form and function. It’s clear that Guntec USA focuses on quality and durability, making their products a smart choice for home builders and enthusiasts alike. If you’re aiming for a resilient, attractive, and reliable upper for your 9mm AR build, this billet upper receiver is definitely worth considering. It’s a worthwhile investment for anyone serious about their firearm setup.