Diamondback DB15 5.56 NATO AR-15 Rifle, 16 in Threaded Barrel, Free-Float M-LOK, Flat-Top Picatinny, 30+1
This Diamondback DB15 is a 5.56 NATO AR-15 pattern rifle built in the USA with practical features and a clean, straightforward setup. It has a 16-inch threaded barrel with an A2-style birdcage flash hider, a free-float aluminum M-LOK handguard with a short 12 o'clock Picatinny segment immediately forward of the upper receiver, and a flat-top Picatinny upper receiver. A short Picatinny vertical foregrip mounted via an M-LOK rail section is installed, and the rifle includes one 30-round Magpul PMAG along with the manual and DB-branded chamber flag; no box included.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This rifle shows significant handling and use marks on the exterior surfaces. See photos for a close look at the cosmetic wear.
What’s Included
- No box included
- Diamondback Firearms safety and handling manual
- DB-branded chamber safety flag
- 1 Magpul PMAG 30-round magazine
- Short Picatinny vertical foregrip mounted via an M-LOK rail section (installed)
The DB15 follows the AR-15 pattern and uses a direct impingement, semi-automatic operating system. It is chambered in 5.56mm NATO and accepts STANAG-pattern magazines, with a 30+1 capacity using the included 30-round PMAG.
The 16-inch barrel is threaded and capped with an A2-style birdcage flash hider. A free-float aluminum M-LOK handguard provides attachment points, and there is a short 12 o'clock Picatinny rail segment immediately forward of the upper receiver. A compact Picatinny vertical foregrip mounted via an M-LOK rail section is installed for additional control.
The upper receiver is a flat-top Picatinny design and includes a forward assist and ejection-port cover. Both receivers are aluminum with a matte black finish. Receiver markings include "DIAMONDBACK FIREARMS, LLC – COCOA, FL USA," "DB15," the DB shield logo, and "CAL. MULTI." No iron sights are included.
Furniture consists of a 6-position, telescoping polymer stock and a textured polymer pistol grip, both in matte black. The rifle features a manual safety and a listed length of pull of 10.0 inches. Overall, it offers a clean, configurable platform with core features and USA manufacture.