Elevate your AR-15 build with the Primary Weapons M116UA0B MK1 Mod 1-M Upper, engineered for superior performance and durability. Crafted with precision, this upper receiver combines a 16.10" chrome-lined 4140 steel barrel chambered in versatile 223 Wylde with a lightweight yet robust 7075-T6 anodized aluminum receiver. Featuring a 15.05" M-LOK handguard and a removable muzzle device, this upper offers enhanced modularity and optimal customization for tactical and competitive shooters alike.
Key Features and Benefits:
- **16.10" Chrome-Lined 4140 Steel Barrel:** Ensures exceptional accuracy, corrosion resistance, and extended barrel life.
- **Chambered in 223 Wylde:** Provides the flexibility to safely and reliably shoot both .223 Remington and 5.56 NATO ammunition.
- **7075-T6 Anodized Aluminum Receiver:** Offers a lightweight yet strong platform for enhanced durability and corrosion resistance.
- **15.05" M-LOK Handguard:** Allows for versatile accessory mounting options while maintaining a slim, ergonomic profile.
- **Removable Muzzle Device:** Enables quick customization for various shooting applications and suppressor compatibility.
| Model Number |
MK1-M1U-223-16 |
| UPC |
811154033499 |
| Caliber |
223 Wylde |
| Barrel Length |
16.10 inches |
| Barrel Material |
Chrome-Lined 4140 Steel |
| Upper Receiver Material |
7075-T6 Anodized Aluminum |
| Handguard |
15.05" M-LOK |
| Muzzle Device |
Removable |
At Tactical Surplus USA we offer fast shipping, low prices, and excellent customer service.
