Diamondback DB10 .308 16″ M-LOK 20rd ODG

Description

The Diamondback DB10 .308 16″ M-LOK 20rd ODG is a U.S.-made, gas-impingement semi-auto rifle chambered in .308 / 7.62 NATO. Machined in-house at Diamondback’s CNC facility, it pairs a 16-inch barrel with an M-LOK handguard and Magpul furniture for proven ergonomics. Finished in Cerakote and shipped with a 20-round magazine, this is a ready-to-run battle rifle for the shooter who demands reliability without the custom-shop wait.

Manufacturer	Diamondback Firearms
Model	DB10
Material	7075-T6 aluminum upper/lower receiver, steel barrel
Compatibility	Accepts standard AR-10 / DPMS-pattern .308 magazines
Finish	Cerakote ODG (Olive Drab Green)
Weight	8.9 lbs (per manufacturer specs)
Condition	New

Key Features

• 16″ Chrome-Moly Vanadium Barrel – The 1:10 twist rate stabilizes everything from 147-grain ball to 175-grain match loads, giving you a true dual-purpose barrel for hunting or steel-ring work.
• M-LOK Free-Float Handguard – Keeps barrel harmonics consistent for tighter groups while letting you mount lights, lasers, or bipods exactly where you need them—no awkward rail sections.
• Magpul MOE Stock & MOE-K2 Grip – You get a 6-position adjustable stock and a more vertical grip angle that reduces wrist fatigue during long range sessions or heavy recoil strings.
• Cerakote Finish in ODG – This isn’t paint; it’s a ceramic-based coating that resists corrosion, scratches, and solvents. The olive drab color blends into brush or timber without reflecting light.
• 20-Round Magazine Included – Ships with a steel-body, anti-tilt follower mag that feeds reliably from the first round to the last—no need to buy spares right away.

Who It’s For

This rifle is for the traditional shooter who wants a .308 AR built on proven gas-impingement tech, not a boutique system. It’s for the hunter who needs a lightweight, fast-handling carbine for whitetail or hog, and for the competitor who wants a reliable platform for 3-gun or tactical matches without paying for a custom builder’s name. If you value straight-forward design, U.S. manufacturing, and components that have been tested in the field, the DB10 fits.

Pros & Cons

• Pros: U.S.-made receivers and barrel, Cerakote finish that holds up to abuse, Magpul furniture is a known quantity, M-LOK handguard is modern and versatile, price point undercuts many comparable .308 ARs.
• Cons: The 16-inch barrel limits muzzle velocity compared to 18- or 20-inch tubes—if you’re shooting past 800 yards, you’ll lose some energy. Also, the gas-impingement system runs dirtier than a piston setup, so expect more frequent cleaning with heavy use.

Comparison

Feature	Diamondback DB10 .308	Geissele Super Duty .308	Lone Wolf Distributors GLR-308
Caliber	.308 / 7.62 NATO	.308 / 7.62 NATO	.308 / 7.62 NATO
Barrel Length	16″	16″	16″
Handguard	M-LOK free-float	M-LOK Geissele rail	M-LOK free-float
Furniture	Magpul MOE	Geissele ACH & Super 42	Magpul MOE
Finish	Cerakote ODG	Black anodized	Black anodized
Price	$1,146.12	$2,200+	$1,400+
Country of Origin	U.S.A.	U.S.A.	U.S.A.

FAQ

Does this rifle accept standard AR-10 magazines?

Yes. The DB10 uses DPMS-pattern .308 magazines. It ships with a 20-round steel-body mag, and you can buy additional Magpul or Lancer mags without issue.

Can I mount a scope directly to the receiver?

Yes. The upper receiver has a Picatinny rail machined from 7075 aluminum. You can mount rings or a one-piece base for a scope, red dot, or LPVO.

What is the barrel twist rate?

The 16-inch barrel has a 1:10 twist, which stabilizes most .308 bullets from 147 to 175 grains. It’s a good all-around twist for hunting, target, and match ammo.

How does the Cerakote hold up?

Cerakote is a ceramic-based finish that resists scratches, solvents, and corrosion better than standard anodizing. The ODG color will not fade or chip easily, but like any coating, it can wear with heavy holster or sling friction over years of use.

Trust Block

• ✓ Nationwide delivery (all 50 states)
• ✓ Ships 1-2 business days
• ✓ 30-day returns
• ✓ Secure checkout

Last updated: April 2026

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