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Most factory ARs leave you with a shopping list before you even hit the range. The Diamondback DB15 Obsidian flips that around by packing in the upgrades most of us end up buying anyway. Battle Arms ambidextrous safety and mag release, an enhanced bolt catch, and a Breek Arms Warhammer ambi charging handle all come standard, so lefties and anyone running a support-side drill will feel right at home. Wrap it all in Flat Dark Earth Cerakote with FDE Magpul furniture and you get a rifle that looks as sharp as it runs.
Under the hood, Diamondback built this one right. The 16 inch medium-profile barrel is 4150 Chrome-Moly Vanadium steel with a black nitride treatment under the FDE Cerakote, and the 1:8 twist stabilizes everything from lightweight varmint loads to heavier 77 grain match ammo. The mid-length gas system paired with a pinned gas block softens the recoil impulse noticeably compared to carbine-length setups, and the shot-peened, magnetic particle inspected Mil-Spec 8620 bolt carrier group handles the cycling duties. Up front, the DB Obsidian muzzle brake tames muzzle rise, and the 1/2×28 threads mean you can swap devices whenever you like.
The 15 inch anti-rotation V4 S-Rail handguard gives you M-LOK slots all around, a full-length Picatinny top rail, and integrated QD sling mounts, so lights, lasers, and bipods bolt on without drama. Forged 7075-T6 aluminum receivers keep the whole package at a manageable 6.6 pounds, and the Magpul CTR stock adjusts to fit shooters of different sizes or layered-up winter clothing. Note there are no sights included, so plan on adding an optic or irons to the flattop upper.
Built at Diamondback's facility in Cocoa, Florida, the Obsidian ships with a 30-round Magpul Gen M3 PMAG in Medium Coyote Tan that matches the furniture nicely. For a do-it-all range rifle, home defense setup, or a base for your next build, this one earns its spot in the safe.
No, this rifle ships without sights. The A3 flattop upper and full-length Picatinny rail on the handguard give you plenty of room to mount a red dot, LPVO, magnified optic, or backup irons. Most buyers pair it with a red dot or 1-6x scope for all-around use.
Yes. The chamber is cut for 5.56 NATO, which safely handles both full-pressure 5.56 and .223 Remington ammunition. The 1:8 twist barrel does well with a wide spread of bullet weights, from 55 grain plinking loads up to 77 grain match rounds.
It is one of the better factory options for lefties. It comes with a Battle Arms ambidextrous safety selector and mag release, an enhanced bolt catch, and a Breek Arms Warhammer ambidextrous charging handle. You get true support-side operation without buying a single aftermarket part.
Yes. The barrel is threaded 1/2×28, which is the standard pattern for 5.56 muzzle devices and suppressor mounts. The included DB Obsidian muzzle brake removes easily, and the Warhammer charging handle even has relief cuts designed to reduce gas blowback when running suppressed.
| UPC | 810035756199 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DB1784K131 |
| Action | |
| ATF Type | RIFLE |
| Barrel Finish | Black Nitride w/ FDE Cerakote |
| Barrel Length | 16'' |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 7.5'' |
| Magazine Included | 1 x 30-Round |
| Model | |
| Number of Magazines | 1 30 rd. PMag |
| Package Height | 3.5 |
| Package Width | 9.0 |
| Product Type | Rifle |
| Safety | Battlearms Ambidextrous |
| Shipping Weight | 8.1 |
| Sights | No Sights |
| Thread Pattern | 1/2"x28 |
| Color | Brown, Flat Dark Earth |
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