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The DB15 Carbon Series from Diamondback Firearms is a solid representation of what the Cocoa, Florida company has been doing right for years: putting quality materials into an AR-15 at a price that doesn't require a second mortgage. The foundation here is a pair of forged 7075-T6 aluminum receivers finished in hardcoat anodize, topped with a 16" medium-profile barrel made from 4150 Chrome Moly Vanadium steel and treated with a black nitride finish for corrosion resistance and long-term durability. The 1:8 right-hand twist rate stabilizes a wide range of .223/5.56 bullet weights from 55 to 77 grains, making this rifle comfortable to feed whatever you happen to have on hand. The flat-top A3 upper comes T-marked for accessories and is fully optic-ready right out of the box.
The bolt carrier group is shot-peened and magnetic particle inspected mil-spec 8620 steel, which is the kind of detail you expect from a duty-grade rifle and appreciate finding on one in this price range. The carbine-length gas system feeds into a low-profile gas block, and the whole upper assembly pairs with a 15" free-float M-LOK handguard that keeps the rifle slim, light, and ready for lights, lasers, grips, or whatever else you want to run. M-LOK slots are distributed all around the handguard, with a full-length Picatinny top rail on the upper receiver for optics. The barrel is threaded 1/2×28 and comes fitted with an A2 flash hider.
This specific DB1790K005 variant is built for the California market, and Diamondback equipped it thoughtfully rather than just stripping it down. The Magpul MOE polymer brace and Magpul MOE grip give it a comfortable, modern feel that shooters familiar with Magpul furniture will recognize immediately. The lower is the DB15 Carbon lower, and the whole package ships with a single Magpul Gen M3 10-round PMAG. Standard AR-15 lower dimensions mean the trigger group, grip, and stock positions are all mil-spec, so future upgrades are completely straightforward. No sights are included, but the optic-ready flat-top upper makes it easy to mount whatever sighting system you prefer, whether that's a red dot, LPVO, or a set of backup iron sights.
Yes. The DB15 is chambered in 5.56 NATO, which means it can safely fire both 5.56 NATO and .223 Remington cartridges. The 1:8 twist rate does a good job with a wide range of bullet weights, from lighter 55-grain loads up through heavier 77-grain projectiles. That flexibility makes it easy to shoot whatever you find at your local range or in stock.
No sights are included with this model. The A3 flat-top upper receiver has a full-length Picatinny rail that's ready for a red dot, LPVO, or any standard optic mount. If you want to run iron sights, Magpul MBUS or similar flip-up options mount up easily and won't break the bank.
The free-float 15" M-LOK handguard has slots distributed around the rail to accept any M-LOK compatible accessory, including foregrips, bipods, flashlights, and laser devices. M-LOK is a widely supported mounting system, so you'll have no shortage of compatible options from brands like Magpul, Streamlight, or Arisaka. The slim profile also keeps the handguard comfortable to grip without added bulk.
Yes. The 16" barrel is threaded 1/2×28, which is the standard thread pitch for .223/5.56 suppressors. It ships with an A2 flash hider installed, which can be removed and replaced with a suppressor mount, muzzle brake, or compensator of your choice.
It's a strong pick for a first AR. The DB15 Carbon uses better-than-entry-level materials, including forged 7075-T6 receivers and a 4150 CrMov nitride barrel, while keeping the controls in the standard mil-spec layout that makes it intuitive to learn on. Magpul MOE furniture is comfortable and well-regarded, and the M-LOK handguard gives you room to grow into accessories over time. The lower is also mil-spec dimensioned, so any trigger or furniture upgrade you want to make down the road is a straightforward swap.
The Magpul MOE brace fills a similar role to the MOE carbine stock in terms of ergonomics and overall feel, but it is a different component designed for this CA compliant configuration. It adjusts to multiple positions for different shooting stances and length-of-pull preferences, and the Magpul MOE grip pairs with it to give the whole rear end of the rifle a comfortable, cohesive feel.
| UPC | 810035755925 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DB1790K005 |
| Action | |
| Barrel Length | 16'' |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 10+1 |
| Length | 7.5'' |
| Magazine Included | 1 x 10-Round |
| Model | |
| Safety | Yes |
| Shipping Weight | 7.5 |
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