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
- M4 Feed Ramp
- Accepts Mil-Spec Ejection Port Door Kit And Forward Assist Kit (Not Included)
- .223 / 5.56 Cal
- Manufactured From Solid Block Of Billet Aluminum
- Raw, Unfinished
- Weight: 10.4 oz
- T6 6061 Billet
- Slim Profile Shell Deflector
- Will Match Up With Any Brand Lower Receiver
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Walter –
Having had the chance to handle the AR-15 Stripped Raw Billet Upper Receiver (Unfinished), it’s clear that this piece is a standout for anyone serious about building or customizing their AR-15. The raw billet design offers a solid, no-frills aesthetic that appeals to both the purist and the builder looking for a premium component. The machining quality is impressive; the edges are smooth, and the overall finish feels durable enough to withstand rigorous use. Even in its unfinished state, the raw aluminum has a premium look that, with a little polish or custom coating, could really turn into a personalized masterpiece.
One of the aspects I appreciate most is the precision of the machining. The fitment onto my lower receiver was seamless, with no tight spots or adjustments needed. This speaks volumes about the manufacturing standards and tight quality control. As it’s a raw billet, it provides ample opportunity for customization — whether you want to add your own finish, engravings, or modifications. The weight, feeling substantial yet balanced, suggests this upper will hold up well in demanding shooting environments.
From a durability standpoint, the raw aluminum appears highly resistant to corrosion, especially when properly finished, and I trust that it will age gracefully over time. It’s also worth noting that being made in the USA, it adheres to high manufacturing standards, which is reassuring for those who value American craftsmanship. The design features are clean, with all the necessary ports and threading well-machined, giving it a professional appearance even in its unfinished state.
This product provides excellent value if you’re into building a custom AR-15 or want a high-quality raw component for future finishing. It’s the kind of raw billet piece that makes a difference in a firearm build—not just function but also aesthetics and personal customization.
In terms of recommendation, if you’re comfortable with finishing processes or want a high-grade raw component to start with, this upper is a solid choice. It’s not just about aesthetics; it’s about getting a reliable, American-made part that can be tailored to your specific needs. Overall, the AR-15 Stripped Raw Billet Upper Receiver offers a great foundation for any custom build, combining quality, precision, and potential in one package.