BuildBarrelsDB15 Barrel — 10.5" .300 Blackout
DB15 Barrel — 10.5" .300 Blackout
Suppressor Ready
DB15
DB15Standard Series

DB15 Barrel — 10.5" .300 Blackout

$199.99

Suggested Retail Price

10.5" .300 BLK barrel with pistol-length gas. Optimized for subsonic suppressed shooting and compact builds.

Best For

SuppressedSBRCompact

Specifications

Caliber

.300 AAC Blackout

Length

10.5"

Material

4150 CMV

Bore

Nitride Treated

Twist Rate

1:7

Gas System

Pistol-Length

Profile

Heavy

Thread

5/8-24

Gas Port Diameter

.078"

Weight

1.2 lbs

Key Features

10.5" is the optimal length for .300 BLK ballistics

1:7 twist stabilizes 220gr subsonic rounds

Pistol-length gas cycles subs and supers reliably

5/8-24 thread for Ventra 30 Cal suppressors

Ideal for SBR and suppressed pistol builds

Overview

Designed specifically for .300 Blackout, this 10.5" barrel is the ideal length for the cartridge — providing complete powder burn for maximum velocity with supersonic loads and optimal suppressor performance with subsonic ammunition.

The pistol-length gas system provides reliable cycling with both supersonic and subsonic loads, even unsuppressed. The 1:7 twist rate is purpose-matched for stabilizing heavy 220gr subsonic projectiles.

5/8-24 thread for .30 caliber muzzle devices and direct compatibility with the Ventra 30 Cal suppressor line.

Compatible Components

These products are designed to work with the DB15 Barrel — 10.5" .300 Blackout.

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