Diamondback Firearms Carbon DB15 .350 Legend 16" - AR-15 Rifle

Manufactured by Diamondback Firearms

SKU: DB1718T002

MPN: DB1718T002

Manufactured by Diamondback Firearms

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$697.00

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This item is regulated.

Items that are regulated by the ATF have restrictions and requirements:
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.

Details

Built to work and priced to own, the Diamondback Firearms Carbon DB15 .350 Legend 16" brings dependable .350 Legend performance to the AR-15 platform without the premium cost of boutique manufacturers or the compromises of budget builds.

A semi-automatic AR-15 rifle chambered in .350 Legend, the Diamondback Firearms Carbon DB15 .350 Legend 16" combines direct impingement operation with standard AR-15 architecture for straightforward reliability.

Consistent Cycling: The direct impingement system delivers consistent cycling across the standard .350 Legend ammunition spectrum without requiring frequent cleaning or special maintenance.

Versatile Configuration: With a 16" barrel and standard AR-15 ergonomics, this rifle fits the broadest possible range of users and use cases without compromise in any single area.

Upgrade-Friendly Platform: Everything on this AR-15 is standard — stocks, grips, handguards, triggers, and optic mounts can all be upgraded without specialized tools or gunsmithing knowledge.

Weather-Resistant Finish: The Type III Hardcoat Anodized finish provides lasting protection against corrosion and everyday wear — reliable function from the first range trip to the last.

Caliber: .350 Legend
Barrel Length: 16"
Gas System: Direct Impingement
Handguard: M-Lok Free-Float
Muzzle Threading: 5/8x24
Magazine Capacity: 5 Round
Finish: Type III Hardcoat Anodized
Origin: Made in the USA

Compatible with standard AR-15 lower receivers. Requires a caliber-specific BCG and magazines for .350 Legend. Works with standard carbine buffer systems and mil-spec lower parts kits.

The upper and lower receivers are constructed from 7075 aluminum with a Type III Hardcoat Anodized finish — a durable combination that resists corrosion and maintains tight tolerances over an extended service life.

Covers the core use cases — home defense, range work, and recreational shooting — without specializing in any single role, making it a reliable all-purpose AR-15.

Diamondback Firearms builds a full range of AR-15 rifles with an emphasis on reliability and value, offering solid performance at competitive price points. Made in the USA.

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Specifications

ActionSemi-Auto

Barrel CoatingBlack Nitride

Barrel ContourHeavy

Barrel Length16

Barrel LiningSalt Bath Nitride

Barrel Material41V50 Chrome Moly Vanadium Steel

BrandDiamondback Firearms

Caliber Gauge.350 Legend

ColorBlack

FinishHardcoat Anodized

Gas System LengthPistol

Gas System TypeDirect Impingement

Handguard15 in Freefloat Rail

Included Magazines1x 5rd

Magazine Capacity5

ModelCarbon DB15 Rifle

Muzzle DeviceFlash Hider

Thread Pattern5/8 X 24

Twist Rate1:8

Weight6.3 lbs.

California Prop 65 warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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