The DPMS DP51655120177 16" 5.56 NATO 13.5" M-LOK Upper is a complete AR-15 upper assembly built for shooters who want modern modularity with dependable performance. It combines a 16" barrel with an A2 flash hider, a forged upper receiver, and a 13.5" lightweight M-LOK free-float handguard that offers generous space for lights, grips, and other accessories while keeping weight in check.
This upper is well suited for general-purpose rifles, training builds, and range use where reliability and easy customization matter. The mid-length gas system and low-profile gas block help deliver smooth cycling, while the included bolt carrier group and charging handle make it a ready-to-install solution on standard AR-15 lowers. DPMS’s long-standing reputation for practical, hard-working AR components is reflected in the straightforward design and solid construction of this upper.
- Manufacturer: DPMS
- Model: 16" 5.56 NATO 13.5" M-LOK Upper (DP51655120177)
- Caliber: 5.56 NATO
- Barrel Length: 16"
- Barrel Profile: A2
- Twist Rate: 1:8
- Gas System: Mid-Length
- Handguard: 13.5" Lightweight M-LOK Free-Float
- Muzzle Device: A2 Flash Hider
- Bolt Carrier Group: Included
- Charging Handle: Included
- Compatibility: Standard AR-15 Lowers
| __Model | 16" 5.56 NATO 13.5" M-LOK Upper |
| __Caliber | 5.56 NATO |
| __Capacity | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
