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DB15 300 Blackout Rifle: 16″ Barrel with M-Lok Handguard
A no-nonsense 300 Blackout platform built for reliability. The DB15 combines a nitride-treated barrel with a lightweight M-Lok handguard, optimized for suppressors or standard loads. Ships with one 30-round magazine. Firearms must be shipped to your selected FFL dealer—provide their details at checkout.
Key Specifications
- Caliber: 300 AAC Blackout
- Barrel: 16″ nitride-treated, 1:8 twist
- Handguard: 15″ aluminum M-Lok (black)
- Upper/Lower: 7075-T6 forged aluminum
- Includes: 30-round PMAG, carbine buffer system
- Weight: 6.4 lbs (unloaded)
Feature Breakdown
The 16″ barrel length avoids NFA restrictions while maintaining ballistic efficiency for 300 Blackout rounds. Nitride treatment extends bore life and simplifies cleaning. M4 feed ramps ensure reliable cycling with both supersonic and subsonic ammunition.
M-Lok slots on all handguard sides allow tool-free accessory mounting. The slim profile keeps weight down without sacrificing heat dissipation. Machined aluminum construction withstands impacts better than polymer alternatives.
Forged upper and lower receivers share compatibility with most AR-15 parts kits. The carbine-length gas system is tuned for unsuppressed use but handles backpressure well when paired with a suppressor. No proprietary components complicate upgrades.
Includes a Magpul PMAG optimized for 300 Blackout’s tapered case design. The carbine buffer system balances recoil management with compatibility across common stock options.
Compatibility
- Works with: Standard AR-15 triggers, grips, stocks
- Requires: 300 Blackout-specific magazines (included)
- Optimal with: Subsonic ammo for suppressed use
Installation Overview
This rifle ships fully assembled and test-fired. No assembly is required beyond attaching optional optics or accessories. The M-Lok handguard accepts lights, grips, and bipods without proprietary hardware. Always verify zero after mounting optics.
FAQ
Does this work with 5.56 NATO?
No—300 Blackout chambers cannot safely fire 5.56 rounds. Use only 300 AAC Blackout ammunition.
Is the handguard free-floated?
Yes. The M-Lok handguard attaches only to the upper receiver, improving accuracy.
What buffer weight is installed?
Standard carbine buffer (3.0 oz). Heavier buffers may improve suppressed performance.
Thread pitch for muzzle devices?
5/8″-24 threads compatible with most 30-caliber suppressors or brakes.
Can I convert this to pistol configuration?
No. The 16″ barrel makes this a rifle per ATF regulations. Consult local laws before modifying.
Warranty & Shipping
1-year limited warranty against manufacturing defects. Firearms ship to your designated FFL dealer within 3-5 business days. Provide FFL details during checkout—we’ll verify their license before shipment.
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