Diamondback DB15 5.56 NATO AR-15 Semi-Auto Rifle, 16-inch Barrel, Free-Float M-LOK Handguard, Strike Industries MOD 1 Stock, Folding Sights
This Diamondback DB15 stands out with a 16-inch threaded barrel capped by an A2-pattern flash hider, an extended free-float aluminum M-LOK handguard, and factory-installed folding clamp-on iron sights. Built on a flat-top upper with Picatinny rail and finished with a Strike Industries MOD 1 adjustable stock and Magpul MOE grip, it combines practical features with clean execution. Manufactured in Cocoa, Florida, USA, it offers the familiar AR-15 direct-impingement platform in 5.56 NATO with a 30+1 capacity.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm presents in great shape overall. Minor scratches and blemishes are visible on exterior surfaces.
What’s Included
- Folding iron sights set, front and rear (installed)
- Strike Industries MOD 1 adjustable carbine stock (installed)
- Magpul MOE polymer pistol grip (installed)
- Maglula LULA AR-15/M16 magazine loader/unloader
- 1x 30-round magazine
- 2x 10-round magazines
The DB15 uses a semi-automatic, direct-impingement system chambered in 5.56mm NATO, feeding from detachable box magazines with a 30+1 capacity. Its 16-inch barrel is threaded and fitted with an A2-pattern flash hider for standard compatibility.
The flat-top upper features a Picatinny rail, forward assist, case deflector, and an ejection-port dust cover marked "5.56 NATO." An extended free-float aluminum M-LOK handguard runs forward with a short top rail segment near the muzzle, offering modern modularity.
Factory-installed folding clamp-on iron sights are in place. The lower receiver wears Diamondback shield logos on both sides and is paired with a Strike Industries MOD 1 adjustable stock with integral sling sockets and a Magpul MOE polymer grip. A manual safety is standard.
Receivers and the free-float handguard are aluminum. The rifle is manufactured in Cocoa, Florida, USA, reflecting domestic production and branding elements consistent with Diamondback’s DB15 series.