The Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK delivers precision shooting in a familiar AR platform. Chambered in .308 Winchester, this rifle pairs a fluted stainless barrel with a 15-inch M-LOK handguard, giving you accuracy and accessory versatility right out of the box.
| Manufacturer | Diamondback Firearms |
|---|---|
| Model | DB10 |
| Material | 416R stainless steel barrel, aluminum upper/lower receiver |
| Compatibility | .308 Winchester / 7.62x51mm NATO magazines and parts |
| Finish | Stainless steel barrel, hard-coat anodized receiver (per manufacturer specs) |
| Weight | Approximately 8.5 lbs (unloaded, per Diamondback) |
| Condition | New |
Key Features
- Precision Fluted Stainless Barrel — The 18-inch medium-profile 416R stainless barrel with fluting reduces weight and aids cooling, helping you maintain accuracy during longer shooting sessions with your family at the range.
- 15-Inch M-LOK Anti-Rotation Handguard — This free-float handguard gives you plenty of rail space for lights, grips, or bipods, and its anti-rotation tabs keep accessories secure even under recoil.
- CMC 2.5 lb Single-Stage Drop-In Trigger — A crisp, light trigger pull helps new shooters build confidence and precision, reducing flinch and improving shot placement.
- Magpul ACS-L Stock and MOE K2+ Grip — Ergonomic, durable furniture that fits smaller hands and offers adjustable length of pull, so the rifle grows with your young shooter.
- Includes 20-Round Gen M3 PMAG — You get a reliable, high-quality magazine right in the box, saving you an extra purchase and letting you start shooting sooner.
Who It’s For
This rifle is built for families and beginners stepping into long-range shooting or hunting. Its familiar AR controls make it easy to teach safe handling, while the .308 Winchester round offers enough power for deer or target steel out to 600 yards. The adjustable stock and light trigger help smaller-framed shooters stay comfortable and accurate.
Pros / Cons
- Pro: Fluted stainless barrel for accuracy and heat management.
- Pro: M-LOK handguard with anti-rotation for stable accessory mounting.
- Pro: Light 2.5 lb trigger reduces shooter fatigue.
- Con: The 18-inch barrel may feel muzzle-heavy for some smaller shooters; a shorter barrel option might be preferred for close-quarters use.
Comparison
| Feature | Diamondback DB10 | Geissele Super Duty .308 | Timney Triggers AR-10 |
|---|---|---|---|
| Barrel Length | 18 in stainless | 16 in chrome-lined | N/A (trigger only) |
| Handguard | 15 in M-LOK | 15 in M-LOK | N/A |
| Trigger | CMC 2.5 lb single-stage | Geissele SSA-E | Timney 3 lb single-stage |
| Price | $1,429.57 | ~$2,200 | ~$200 (trigger only) |
| Best For | Budget-friendly precision | Duty-grade reliability | Trigger upgrade |
FAQ
What caliber is the Diamondback DB10?
It is chambered in .308 Winchester, also compatible with 7.62x51mm NATO ammunition.
Does this rifle come with a scope?
No, it ships with iron sights or no optics. You can mount your own scope or red dot using the Picatinny rail on the upper receiver.
Is the trigger adjustable?
The CMC trigger is a fixed 2.5 lb single-stage drop-in unit and is not user-adjustable, but it provides a consistent, crisp pull out of the box.
Can I use standard AR-10 magazines?
Yes, the DB10 accepts standard .308/7.62 AR-10 pattern magazines, including the included 20-round Gen M3 PMAG.
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Last updated: April 2026
FFL Transfer & Firearms Laws for Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK
All firearms, including the Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: AR Rifles.
What tags or features does this product have?
Key features and tags for this product include: .
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
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FFL Transfer & Firearms Laws
All firearms, including the Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the Diamondback DB10 .308 Win 18 in Stainless 15 in M-LOK is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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