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.
Ambi Safety:
- US Made
- Ambidextrous
- Operator Can Set And Manipulate Each Side To A Different Degree If Desired
- 5.56 Cal/.308 Cal
- Short Throw Levers With Paddle Knotches On Both Sides
- Allen Wrench Included
- Lightweight
- Multiple Degree Variations, Plus The Standard 45/90 Degree
- Flat Dark Earth Finish
Enhanced Trigger Guard:
- T6 Aluminum
- USA Made
- Lightweight
- Flat Dark Earth Finish
- Wide For Accepting Tactical Gloves
Extended Mag Release Button:
- T6 Aluminum
- USA Made
- Lightweight
- Flat Dark Earth Finish
- Knurled Grooves
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Alec –
Absolutely thrilled with the AR-15 Lower Upgrade Kit Enhanced (L.U.K.E) in Flat Dark Earth. The craftsmanship and attention to detail truly stand out—it’s evident that this kit is designed with both quality and durability in mind. The FDE finish complements my existing build perfectly, and it has a rugged, military-inspired look that really enhances the overall aesthetic of my AR-15 setup.
All components feel solid and well-machined, with tight tolerances that suggest long-lasting reliability. The upgrade kit includes everything needed to improve the handling and performance of my lower receiver, and the enhanced trigger guard and improved bolt catch are definitely noticeable upgrades from stock. Installing was straightforward thanks to clear instructions and quality parts that fit seamlessly into my existing build.
What impressed me most was the attention toward ergonomic design—especially the trigger and buffer tube components. They offer a smoother, more consistent pull that has noticeably improved my shot grouping during practice sessions. Plus, the FDE finish resists scratches and scuffs well, keeping the look fresh even after repeated handling and use in outdoor settings.
Value-wise, this kit delivers a lot for the cost. Knowing it’s an American-made product adds peace of mind, ensuring high standards of manufacturing all around. It also feels like a genuine upgrade that enhances both function and style—without the fluff or unnecessary extras.
Overall, the AR-15 Lower Upgrade Kit Enhanced (L.U.K.E) (Flat Dark Earth) exceeds expectations in quality, design, and performance. Whether you’re looking to upgrade your personal carry rifle or just want to add a personalized touch, this kit offers a solid, dependable option. Recommended for anyone wanting to improve their build with an aesthetic upgrade that doesn’t compromise on function. A smart investment for those serious about their AR-15 customization and performance.
Seth Stern (verified owner) –
Installed both in an FDE build. Color is a perfect match to the AERO receivers I’m building on, parts fit clean and the option to go 45 degrees on the selector lever is always appreciated.