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
- 5.56 Ejection Door Assembly
- 5.56 Complete Lower Parts Kit
- AR-15 MPM Stock Assembly (GT-MPM)
- 16″ 5.56mm 1:7 Twist M4 4150 Barrel
- Anodized Black Finish On Aluminum Parts
- Everything Included, Except The Lower
- 5.56 Upper Receiver
- 5.56 Charging Handle
- 15″ AIR-LOK Series M-LOK Handguard With Barrel Nut & Hardware (GT-15ALC)
- Carbine Length Gas Tube
- 1/2 X 28 Crush Washer
- Kit Does Not Come Assembled
- 5.56 Complete BCG
- Forward Assist Asssembly
- AR-15 Ultralight Series Pistol Grip (ULS-PG)
- Steel Low Pro .750 Gas Block
- 1/2 X 28 A2 Birdcage
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Bud Ruiz –
Absolutely impressed with the AR-15 5.56 Cal Complete Rifle Kit #6 (No Lower). The quality craftsmanship is immediately noticeable—everything is precisely machined, and the fit and finish are outstanding. For a kit that’s primarily focused on the upper components, it offers incredible value, especially considering it’s American-made, which is a big plus for those of us who prioritize domestic manufacturing.
The upper receiver and barrel feel solid and well-balanced, indicating durability and long-term reliability. The design is sleek and functional, with attention to detail evident in the precision threading and finish. It’s designed to be a versatile platform, perfect for customizing further or assembling directly if you already have a compatible lower. The controls and assembly process are straightforward, making it accessible even for those relatively new to building ARs.
One feature that stands out is the attention to quality in the bolt carrier group and handguard. They feel sturdy and well-made, and the entire setup has a nice, tight fit without any rattling or imperfections. Since I’ve been building and collecting firearms for years, I can really appreciate the value here—good parts, excellent craftsmanship, and a kit that’s ready to perform right out of the box.
I particularly appreciate the clean, no-nonsense design, which not only looks sharp but also emphasizes reliability. The lack of a lower receiver makes it flexible if you want to choose a specific lower to match your build or upgrade later. It’s a solid choice for those looking to assemble a reliable, high-performance rifle with quality components sourced from the USA.
Overall, this kit offers pretty great value for anyone serious about a custom AR-15 build. It’s a good investment for enthusiasts and collectors alike who want a dependable platform with top-tier parts. Recommended for those willing to do a bit of assembly but expecting a premium product on arrival.
Barnes –
Absolutely impressed with the AR-15 5.56 Cal Complete Rifle Kit #6 (No Lower). The quality craftsmanship is immediately noticeable—everything is precisely machined, and the fit and finish are outstanding. For a kit that’s primarily focused on the upper components, it offers incredible value, especially considering it’s American-made, which is a big plus for those of us who prioritize domestic manufacturing.
The upper receiver and barrel feel solid and well-balanced, indicating durability and long-term reliability. The design is sleek and functional, with attention to detail evident in the precision threading and finish. It’s designed to be a versatile platform, perfect for customizing further or assembling directly if you already have a compatible lower. The controls and assembly process are straightforward, making it accessible even for those relatively new to building ARs.
One feature that stands out is the attention to quality in the bolt carrier group and handguard. They feel sturdy and well-made, and the entire setup has a nice, tight fit without any rattling or imperfections. Since I’ve been building and collecting firearms for years, I can really appreciate the value here—good parts, excellent craftsmanship, and a kit that’s ready to perform right out of the box.
I particularly appreciate the clean, no-nonsense design, which not only looks sharp but also emphasizes reliability. The lack of a lower receiver makes it flexible if you want to choose a specific lower to match your build or upgrade later. It’s a solid choice for those looking to assemble a reliable, high-performance rifle with quality components sourced from the USA.
Overall, this kit offers pretty great value for anyone serious about a custom AR-15 build. It’s a good investment for enthusiasts and collectors alike who want a dependable platform with top-tier parts. Recommended for those willing to do a bit of assembly but expecting a premium product on arrival.