Black Rifle Depot
16″ 5.56 Phosphate Carbine M-LOK M4 Upper Assembly
- SKU:
- 26860
- Shipping:
- Calculated at Checkout
Description
16″ 5.56 Phosphate Carbine M-LOK M4 Upper Assembly
Battle-Tested Reliability with Classic M4 Styling – Built for Everyday Performance.
The 16″ 5.56 Phosphate Carbine M-LOK M4 Upper Assembly brings together rugged design and proven functionality, perfect for shooters building a dependable, hard-use AR-15. Featuring a 16-inch M4-profile barrel with a durable mag phosphate finish and a carbine-length gas system, this upper delivers the classic feel and performance trusted by professionals. It’s built on a forged mil-spec upper receiver and paired with quality American-made M-LOK handguards, offering modularity and strength where it counts. The nitrided A2 flash hider and low-profile steel gas block complete the package, while meticulous assembly practices—like the use of Permatex 242 and AEROSHELL 33MS—ensure long-term reliability. Whether you're equipping a range rifle or prepping a duty-grade build, this upper is ready for the challenge and backed by a limited lifetime warranty.
Specifications
- Barrel Finish: Mag Phosphate
- Barrel Profile: M4
- Cartridge Compatibility: 5.56 NATO
- Barrel Length: 16″
- Gas System Length: Carbine
- Twist Rate: 1:9
- BCG / Charging Handle: Not Included
- Handguard: M-LOK (style may vary)
- Warranty: Limited Lifetime
Guaranteed Sub-MOA performance with match grade ammo and proper shooting technique
Made in the USA
Additional Information
Barrel Finish: |
Mag Phosphate |
Barrel Profile: |
M4 |
Cartridge Compatibility: |
5.56 NATO |
Barrel Length: |
16 |
Gas System Length: |
Carbine |
Twist Rate: |
1:9 |
BCG / Charging Handle: |
Not Included |