Diamondback DB15 5.56 NATO AR-15, 16 in. M4-Profile, Magpul MOE SL, A2 Sights, Threaded Barrel
This Diamondback DB15 is an AR build with aftermarket parts, set up in 5.56 NATO with a 16-inch M4-profile barrel and carbine-length gas system. It uses a flat-top 1913 Picatinny upper with forward assist, case deflector, and ejection port cover, and retains a fixed A2 front sight tower paired with a detachable A2 carry handle rear sight. The rifle is outfitted with Magpul MOE SL furniture and a complete two-point sling setup. Made in the USA and finished in matte black anodizing, it presents in very good condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape, with minor, superficial scratches and small handling marks on the exterior.
What’s Included
- Detachable A2 carry handle rear sight (installed)
- Two-point web sling with front push-button QD swivel (installed)
- M-LOK QD front sling mount (installed)
- TAPCO sling end plate (installed)
- Magpul MOE SL carbine-length handguard (installed)
- Magpul MOE Carbine collapsible stock (installed)
- Magpul polymer pistol grip (installed)
- One 30-round Magpul PMAG polymer magazine for 5.56×45
This DB15 is configured as an AR build with aftermarket parts. The core is a Diamondback AR-15 platform rifle in 5.56 NATO, made in the USA and finished in matte black anodizing. The upper receiver is a flat-top 1913 Picatinny design with forward assist, case deflector, and ejection port cover, offering a clean, modern foundation.
The 16-inch M4-profile barrel uses a carbine-length gas system and features a threaded muzzle with an A2 birdcage flash suppressor. A fixed A2 front sight tower anchors the front sighting system, delivering the classic, durable sight base that pairs with the included rear.
Furniture is upgraded throughout: a Magpul MOE SL carbine-length M-LOK handguard, Magpul MOE Carbine collapsible stock, and Magpul polymer pistol grip. The handguard provides M-LOK attachment slots for accessories, while the stock offers quick length-of-pull adjustment and the familiar MOE ergonomics.
Sighting is handled by a detachable A2 carry handle rear sight matched to the fixed A2 front. Slinging is fully set up with an M-LOK QD front sling cup, a TAPCO sling end plate at the rear, and an installed two-point web sling with a push-button QD swivel up front.
The lower is roll-marked "CAL. MULTI," and capacity is 30+1 with the included 30-round Magpul PMAG. Overall, this is a well-equipped, USA-made DB15 with thoughtful aftermarket upgrades and an excellent bore.