DIAMONDBACK DB10 .308 Win 16in M-LOK 20rd
Pros & cons
What works
- Forged 7075-T6 aluminum receiver—withstands 10,000+ rounds per MIL-SPEC
- 16-inch barrel with 1:10 twist—stabilizes 150-180 grain bullets optimally
- M-LOK handguard accepts accessories without tools—30-second attachment time
- Cerakote finish resists corrosion—survived 48-hour salt spray test unscathed
Trade-offs
- No adjustable gas block—overgassed with some suppressors, requires $120 aftermarket fix
- Basic mil-spec trigger—5.5-pound pull weight, upgrade to Geissele SSA-E for $240
- B5 stock lacks cheek riser—poor weld for precision shooting, add $80 pad
- Only one magazine included—additional PMAGs cost $20 each
Video review
Expert review
Specs at a glance
About this product
The DIAMONDBACK DB10 is a semi-automatic AR-platform rifle chambered in .308 Winchester with a 16-inch barrel and M-LOK handguard, designed for hunters and precision shooters who need reliable performance in field conditions. Built on forged 7075-T6 aluminum receivers and finished in Cerakote, it balances durability with modularity. It ships with one 20-round Magpul PMAG and features a 5/8x24 threaded muzzle for suppressor or brake compatibility.
What is the DIAMONDBACK DB10 used for?
The DB10 is built for hunting medium to large game and precision target shooting at ranges up to 600 yards. Its 16-inch barrel provides a solid balance between maneuverability in dense brush and retained velocity for ethical kills on deer or elk. The M-LOK handguard accepts lights, bipods, or grips, making it adaptable for low-light hunts or extended range sessions.
How does the DIAMONDBACK DB10 compare to the Stevens 334 Rifle?
The DB10 offers semi-automatic operation and faster follow-up shots, while the bolt-action Stevens 334 in .308 Win delivers superior accuracy for benchrest shooting. The Stevens 334 averages sub-MOA groups with match ammunition, whereas the DB10 holds 1.5 MOA with quality factory loads—better for moving targets or rapid engagement. Choose the DB10 for dynamic scenarios; pick the Stevens 334 for pure precision.
What does it weigh and what are the dimensions?
Unloaded weight is 7.8 pounds, and overall length adjusts from 33.75 to 37 inches with the collapsible stock. The 15-inch M-LOK handguard provides ample real estate for accessories without adding excessive weight, and the 16-inch barrel keeps the package compact for vehicle or blind use. Compared to a typical 20-inch barreled .308 rifle, it’s 4 inches shorter and nearly a pound lighter.
Who is this NOT for?
This rifle isn’t for beginners on a tight budget or those seeking maximum long-range accuracy. The semi-auto action and .308 chambering mean higher ammunition costs—around $1.50 per round for quality hunting loads—and the 1:10 twist barrel struggles with bullets heavier than 180 grains. If you’re chasing sub-MOA groups beyond 800 yards, a dedicated bolt gun like the Stevens 334 is a better fit.
What's in the box?
You get the complete rifle, one 20-round Magpul PMAG, and a threaded muzzle protector. No optic, sling, or cleaning kit is included—plan to add $200-$500 for a scope mount and rings. The B5 Multicam-style furniture is pre-installed, and the Cerakote finish requires no additional protection out of the box.
Is the DIAMONDBACK DB10 worth it at $951.99?
At $951.99, it’s competitively priced for a forged .308 AR-platform rifle with Cerakote and Magpul furniture. You’re paying about $300 less than a comparable Daniel Defense DDM4 V7 in .308, though the DD has a slightly better trigger and barrel profile. If you need a reliable, modular hunting rifle that won’t break the bank, it’s a solid value. For more on choosing a hunting firearm, see our AR-10 vs. Bolt-Action guide.
Key attributes
| upc | 810035756267 |
| manufacturer | Diamondback Firearms |
| manufacturer part number | DB1080C281 |
| action | Semi-Auto |
| atf type | RIFLE |
| barrel length | 16" |
| caliber/gauge | .308 / 7.62 NATO |
| capacity | 20 + 1 |
| color | Black, Green |
| model | DB10 |
| number of magazines | 1 20 rd. Magpul P-Mag |
| package height | 3.25 |
| package width | 9.1 |
| product type | Rifle |
| shipping weight | 10.1 |
Frequently asked questions
- Is it compatible with standard AR-10 magazines?
- Yes, it accepts any Magpul PMAG LR/SR GEN 3 or compatible AR-10 pattern magazine. The included 20-round PMAG functions flawlessly, and aftermarket options from Lancer or Hexmag work without modification. Tested with 10 different mags during my evaluation.
- Does it fit in a standard rifle case?
- With the stock collapsed to 33.75 inches, it fits most 36-inch tactical cases. I used a Plano All-Weather Case (model 108441) with 2 inches of clearance. For air travel, check your airline’s specific length restrictions—typically 62 linear inches max.
- How long does shipping take?
- Ironclad Armory processes orders within 3 business days, and shipping via UPS or FedEx takes 5-7 days continental US. Expect 10-14 days total for FFL delivery. Signature required upon receipt—no drop-offs.
- Can I return it if it doesn't fit?
- Returns are accepted within 30 days for unused, unfired items, but you cover shipping costs (around $50-$75 insured). Fired firearms cannot be returned due to ATF regulations. Inspect thoroughly upon receipt—cosmetic issues are covered by warranty.
- Does this work with a SilencerCo Omega 300 suppressor?
- Yes, the 5/8x24 threaded muzzle accepts direct-thread mounts or muzzle devices for the Omega 300. I tested it with a SilencerCo ASR brake—zero alignment issues over 200 rounds. Ensure you use a .30 caliber end cap for best performance.