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Plenty of AR-15s in this price range make you swap out the trigger before the first range trip. Not this one. Diamondback ships the DB15 Diamond Series with a CMC 3.5 lb single stage drop-in trigger from the factory, and that one detail changes the whole feel of the rifle. Pair that with a mid-length gas system and a pinned gas block, and you get a gun that cycles smooth, shoots soft, and breaks clean, right out of the box.
The 16-inch medium-profile barrel is machined from 4150 CrMoV steel with a black nitride finish inside and out, so it holds up to high round counts and cleans easy. The 1:8 twist rate is a smart middle ground, stabilizing everything from light 55 grain plinking loads up to heavier 77 grain match ammo. Up front, Diamondback's CNC-machined muzzle brake threads onto the standard 1/2×28 pattern, and the shot-peened, magnetic particle inspected 8620 bolt carrier group speaks to the quality control happening at their Cocoa, Florida facility. Both receivers are forged 7075-T6 aluminum, with the Diamond lower featuring an enhanced skeletonized trigger guard that gives the rifle a distinct look and works well with gloves.
The 15-inch M-LOK anti-rotation S-rail handguard covers nearly the full barrel, giving you room to run a long support grip and mount lights, lasers, or a bipod wherever you want them. Furniture is Magpul through and through, with an ACS-L adjustable stock that locks up tight without the usual carbine stock rattle and a MOE-K2+ grip with a more vertical angle that suits modern shooting stances. At 6.95 pounds unloaded, it carries well for a rifle with this much rail.
The flattop upper ships without sights, so the full-length rail is a blank canvas for your red dot, LPVO, or backup irons. A 30-round Gen 2 PMAG comes in the box, and the Flat Dark Earth finish looks sharp whether you leave it stock or build it out. Range days, coyote hunts, home defense duty, this one covers all of it without asking for upgrades first.
No, this model ships without sights. The flattop upper and full-length rail on the handguard give you plenty of real estate to mount a red dot, magnified optic, or a set of backup iron sights. Most buyers pair it with an optic anyway, so you're not paying for irons you'd end up replacing.
It comes from the factory with a CMC 3.5 lb single stage drop-in trigger, which is a genuine upgrade over the gritty mil-spec triggers found on most ARs at this level. The break is crisp and light, which helps with both precision work and fast follow-up shots. It's one of the standout features of the Diamond Series line.
Yes. The chamber is cut for 5.56 NATO, which safely handles both 5.56 NATO and .223 Remington ammunition. The 1:8 twist barrel stabilizes a wide range of bullet weights, so you can run cheap 55 grain range ammo or heavier match loads without issue.
The Flat Dark Earth Cerakote covers the receivers and handguard, while the Magpul ACS-L stock and MOE-K2+ grip are black, giving the rifle a sharp two-tone look. Cerakote is a tough ceramic-based coating that resists scratches and corrosion, so it holds up well to field use and regular handling.
| UPC | 810035753143 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DB1758K061 |
| Action | |
| ATF Type | RIFLE |
| Barrel Finish | Black Nitride |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 + 1 |
| Length | 34 |
| Magazine Included | 1 x 30-Round |
| Model | |
| Number of Magazines | 1 30 rd. PMag |
| Package Height | 9.0 |
| Package Width | 3.5 |
| Product Type | AR |
| Safety | Thumb |
| Shipping Weight | 12.95 |
| Sights | No Sights |
| Thread Pattern | 1/2"-28 tpi |
| Units per Box | 1 |
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