JTE AR-15 Complete Upper 5.56 NATO - 16 Inch M4 Contour Barrel
Build a reliable and accurate AR-15 with the JTE AR-15 Complete Upper. This ready-to-install 5.56 NATO upper features a 16-inch M4 contour barrel with a nitride finish for enhanced durability and corrosion resistance. The 1:7 twist rate stabilizes a wide range of bullet weights, making it an excellent choice for both range use and defensive applications.
Equipped with a carbine-length gas system and low-profile gas block, this upper delivers smooth, reliable cycling. The included 15-inch lightweight M-Lok handguard provides ample space for accessories while keeping the overall weight down. A precision-machined billet flat-top upper receiver, full-auto profile bolt carrier group with Carpenter 158 bolt, and charging handle complete this high-quality assembly.
Designed for compatibility with any mil-spec AR-15 lower receiver, the JTE complete upper is a perfect choice for building a new rifle or upgrading your existing setup. Whether you are a first-time builder or an experienced shooter, this upper offers dependable performance you can trust.
Key Features
- 16-inch M4 contour barrel with nitride finish
- 1:7 twist rate for optimal stabilization of 5.56 NATO ammunition
- Carbine-length gas system with low-profile gas block
- 15-inch lightweight M-Lok rail for accessory mounting
- JT flat-top CNC-machined billet upper receiver
- Full-auto profile bolt carrier group with Carpenter 158 bolt
- A2 flash hider and included charging handle
- Compatible with all mil-spec AR-15 lower receivers
Product Specifications
| Barrel Length | 16 inches |
| Gas System | Carbine-Length |
| Barrel Profile | M4 |
| Barrel Steel | 4150 Chrome-Moly Vanadium |
| Muzzle Thread | 1/2-28 |
| Chamber | 5.56 NATO |
| Twist Rate | 1:7 |
| Gas Block Diameter | .750 inches |
| Gas Block Type | Low-profile |
| Muzzle Device | A2 Flash Hider |
| Receiver Material | Forged 6061 T6 Aluminum |
| Handguard | 15-inch Lightweight M-Lok Rail |
| Bolt Carrier Group | Included (Full-auto profile) |
| Bolt Steel | Carpenter 158 |
| Charging Handle | Included |
Frequently Asked Questions
What type of lower receiver does this JTE AR-15 complete upper work with?
This complete upper is fully compatible with any standard mil-spec AR-15 lower receiver.
Is the bolt carrier group and charging handle included with this upper?
Yes, the JTE AR-15 complete upper comes with a full-auto profile bolt carrier group featuring a Carpenter 158 bolt and a standard charging handle.
What muzzle device is pre-installed on this 16-inch AR-15 upper?
The upper includes an A2 flash hider threaded at 1/2-28, allowing easy installation of other muzzle devices if desired.
Does this upper support both 5.56 NATO and .223 Remington ammunition?
Yes, the 5.56 NATO chamber safely fires both 5.56 NATO and .223 Remington ammunition.
What accessories can I mount on the 15-inch M-Lok rail?
The lightweight M-Lok rail accepts all standard M-Lok accessories including foregrips, bipods, lights, laser devices, and rail covers.
