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.
- Complete Upper Kit Contains:
- All US Made
- 9mm Upper Receiver
- Monolithic Top Rail (GT-5ALC)
- 1/2 X 36 Stubby Slim Line Flash Cone (SCONE-FH-9)
- Mil-Spec Charging Handle
- 9mm Complete BCG
- 5.5″ 9mm 1:10 Twist Contour 4150 Barrel
- 5″ AIR-LOK Series Compression Free Floating Handguard
- Crush Washer
- Kit Does Not Come Assembled
- Anodized Black Finish On Aluminum Parts
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Ryan –
The AR-15 9mm Cal Complete Upper Kit from GuntecUSA truly impresses with its solid construction and thoughtful design. Having had the chance to handle it firsthand, the quality craftsmanship is immediately apparent—everything feels durable, well-machined, and built to last. The 5-inch AIR-LOK Series M-LOK handguard offers a sleek and functional look, while also providing a secure attachment for accessories. This upper kit seamlessly combines performance with aesthetics, making it an excellent choice for anyone building a custom 9mm AR-15.
What stands out most is the attention to detail in the machining and finish. The surfaces are smooth, with no burrs or imperfections, demonstrating Guntec’s commitment to high-quality American manufacturing. The kit’s complete nature means it’s a straightforward upgrade or build from scratch, saving time and hassle, and all components fit together precisely—no loose parts or wobble. The 9mm barrel provides excellent accuracy and reliable cycling, which is crucial for a fun and dependable shooting experience.
The M-LOK handguard adds a lot of versatility, allowing for personalized accessory setup without compromising weight or maneuverability. It’s a great feature for both tactical practice and range trips. The entire upper maintains a lightweight profile, yet feels robust enough to handle extended shooting sessions without any concerns.
Value-wise, this kit strikes a good balance; you’re investing in a top-tier, American-made product that enhances your AR platform, whether for competitive shooting, home defense, or just enjoying a well-built firearm. Since GuntecUSA is well known for their quality and consistency, it’s reassuring to see their 9mm complete uppers meet high standards.
In summary, the AR-15 9mm Cal Complete Upper Kit with the 5″ AIR-LOK Series M-LOK Hg is a reliable and finely crafted component that elevates your build or upgrade. It’s an excellent option for enthusiasts seeking precision, durability, and American-made craftsmanship. While slightly on the premium side, the quality and ease of assembly make it a worthwhile investment. Highly recommended for anyone serious about their firearms accessories and looking to enrich their firearm’s performance and appearance.
Isaac Long –
The AR-15 9mm Cal Complete Upper Kit from GuntecUSA truly impresses with its solid construction and thoughtful design. Having had the chance to handle it firsthand, the quality craftsmanship is immediately apparent—everything feels durable, well-machined, and built to last. The 5-inch AIR-LOK Series M-LOK handguard offers a sleek and functional look, while also providing a secure attachment for accessories. This upper kit seamlessly combines performance with aesthetics, making it an excellent choice for anyone building a custom 9mm AR-15.
What stands out most is the attention to detail in the machining and finish. The surfaces are smooth, with no burrs or imperfections, demonstrating Guntec’s commitment to high-quality American manufacturing. The kit’s complete nature means it’s a straightforward upgrade or build from scratch, saving time and hassle, and all components fit together precisely—no loose parts or wobble. The 9mm barrel provides excellent accuracy and reliable cycling, which is crucial for a fun and dependable shooting experience.
The M-LOK handguard adds a lot of versatility, allowing for personalized accessory setup without compromising weight or maneuverability. It’s a great feature for both tactical practice and range trips. The entire upper maintains a lightweight profile, yet feels robust enough to handle extended shooting sessions without any concerns.
Value-wise, this kit strikes a good balance; you’re investing in a top-tier, American-made product that enhances your AR platform, whether for competitive shooting, home defense, or just enjoying a well-built firearm. Since GuntecUSA is well known for their quality and consistency, it’s reassuring to see their 9mm complete uppers meet high standards.
In summary, the AR-15 9mm Cal Complete Upper Kit with the 5″ AIR-LOK Series M-LOK Hg is a reliable and finely crafted component that elevates your build or upgrade. It’s an excellent option for enthusiasts seeking precision, durability, and American-made craftsmanship. While slightly on the premium side, the quality and ease of assembly make it a worthwhile investment. Highly recommended for anyone serious about their firearms accessories and looking to enrich their firearm’s performance and appearance.