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.
- All US Made
- .308 Upper Receiver
- Charging Handle
- Mid-Length Gas Tube
- 5/8 x 24 Crush Washer
- Kit Does Not Come Assembled
- .308 Complete BCG
- Forward Assist Asssembly
- Steel Low Pro .750 Gas Block
- 5/8 x 24 A2 Birdcage
- .308 Ejection Door Assembly
- US 15″ M-LOK Handguard With Barrel Nut & Hardware (GT-15MLK-308)
- DPMS Low Profile Spec
- 18″ .308 1:10 Twist 4150 Barrel
 (Anodized Black)){kind=link}
Rocky –
Having had the chance to work with the AR .308 Cal Complete Upper Kit in Ultralight M-LOK Hg finish, I can honestly say it’s an impressive piece of craftsmanship for anyone serious about their build. The anodized black coating not only looks sleek but also provides excellent durability, resisting scratches and wear even after frequent handling. The ultralight design makes a noticeable difference in maneuverability without sacrificing strength or stability, which is a huge plus during extended shooting sessions.
The fit and finish of this upper are top-notch. Everything assembled smoothly, with tight tolerances that give a very solid feel. The M-LOK handguard, in particular, is a standout—lightweight but robust, allowing for easy attachment of accessories without bulk. It’s clear that attention to detail was a priority in manufacturing, with precise machining and a consistent anodized finish throughout. The kit also includes high-quality components, which means I didn’t have to hunt down any additional parts to complete my build.
One of the main reasons I opted for this upper is its American-made quality, which is evident in the overall craftsmanship and materials used. Whether you’re a seasoned collector or a serious shooter looking to upgrade your rifle, the value is hard to beat. It offers reliability and performance at a price point that’s competitive, especially considering it’s built with the standards expected from top-tier accessories industry professionals.
The lightweight design has noticeably improved handling and reduced fatigue during long shooting days. Plus, the compatibility with various aftermarket options makes customization straightforward. I appreciate that it’s a ready-to-install upper, saving me time and effort compared to assembling a lower and upper from separate parts.
Overall, this AR .308 Cal Complete Upper Kit is a fantastic option for anyone wanting to enhance their AR platform with a high-quality, lightweight, and American-made component. It’s well-designed, durable, and versatile enough to meet the demands of both hobbyists and serious shooters. For those in the market for a reliable upgrade or a complete build, this product from guntecusa.com is worth considering.