DB15 300 Blackout, 16″ Barrel, Black, M-Lok Handguard, 30rd

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DB15 300 Blackout: Reliable Performance for Tactical Builders

The DB15 chambered in 300 Blackout delivers versatility for range use or tactical applications. Its 16″ barrel and M-Lok handguard balance maneuverability with accessory customization, while the included 30-round magazine ensures ready capacity. Built with compatibility in mind, this upper works with standard AR-15 lowers. Firearms must be shipped to an FFL dealer—provide their details at checkout.

Key Specifications

• Caliber: 300 AAC Blackout
• Barrel Length: 16″ (carbine gas system)
• Handguard: 15″ M-Lok aluminum (black)
• Includes: 30-round PMAG, no BCG or charging handle
• Weight: 4.8 lbs (upper receiver only)

Feature Breakdown

The 300 Blackout cartridge excels in suppressed shooting while maintaining effectiveness at intermediate ranges. This upper’s 16″ barrel optimizes velocity without excessive length, making it suitable for both bench shooting and dynamic use. The carbine-length gas system ensures reliable cycling with factory ammunition.

M-Lok slots on all handguard sides allow tool-free attachment of grips, lights, or other accessories. The aluminum construction dissipates heat during extended range sessions while keeping weight manageable. A slim profile prevents interference with shooting gloves or improvised positions.

Compatibility with standard AR-15 lowers simplifies assembly for builders. The upper ships without a bolt carrier group or charging handle, letting users select components matching their preferred trigger system. This approach avoids duplicating parts for those upgrading existing rifles.

Finish is a durable black oxide resistant to range bag wear. The barrel’s 1:8 twist rate stabilizes common 300 BLK projectile weights. Threaded muzzle (5/8×24) accepts suppressors or muzzle devices without adapters.

Compatibility Notes

• Works with mil-spec AR-15 lowers
• Requires separate BCG/charging handle (sold separately)
• PMAG included works with 300 BLK or 5.56 NATO

Installation Overview

Assembling requires basic tools: pivot pin tool, armorer’s wrench, and vise block. Install your preferred bolt carrier group and charging handle before attaching the upper to a lower receiver. Torque the barrel nut to manufacturer specifications if adding aftermarket handguards. Test fire with a few rounds to confirm gas system function before extended use.

Frequently Asked Questions

Is this complete rifle or upper receiver?

Upper receiver only—requires compatible AR-15 lower with stock and fire control group.

Does it cycle subsonic ammunition?

Yes, when paired with appropriate buffer weight and suppressor. Adjust gas block if needed.

Handguard temperature during rapid fire?

Aluminum disperses heat efficiently, but gloves are recommended for extended sessions.

Barrel life expectancy?

Varies by ammunition type and firing schedule. Regular cleaning extends service life.

Muzzle device compatibility?

Standard 5/8×24 threads fit most 30-caliber brakes or flash hiders.

Warranty & Shipping

1-year warranty against manufacturing defects. Contact support for documentation requirements. All firearm shipments require FFL dealer information—no exceptions. Allow 3-5 business days for processing before carrier pickup.

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