One OH-BR08 7.5" 300 Blackout Barrel, 1:7 Twist

One OH-BR08 7.5" 300 Blackout Barrel

Overview

The One OH-BR08 represents a purpose-built solution for shooters who demand performance in compact platforms. This 7.5-inch barrel chambered in 300 Blackout delivers the velocity and accuracy characteristics that have made this cartridge popular for suppressed shooting, hunting, and tactical applications.

Key Features

• Caliber: 300 Blackout
• Length: 7.5 inches
• Twist Rate: 1:7 (optimized for both subsonic and supersonic loads)
• Precision Engineering: Manufactured to exacting standards for reliable performance

Performance Characteristics

The 1:7 twist rate is the sweet spot for 300 Blackout shooters. This twist stabilizes the full range of ammunition available in this cartridge—from heavy subsonic rounds (220+ grains) to lighter supersonic loads. Whether you're building a suppressed rifle for hearing-safe shooting or a hunting platform, this barrel delivers consistent accuracy.

The compact 7.5-inch length makes this barrel ideal for short-barreled rifle (SBR) builds, pistol-caliber carbine conversions, and other specialized platforms where real estate is at a premium.

Applications

This barrel excels in:

• Suppressed shooting systems
• Hunting rifles
• Tactical builds
• Short-barreled rifle configurations

Installation

As a precision barrel component, professional installation by a qualified gunsmith is recommended to ensure proper headspacing and accuracy.