Ballistic Advantage 10.5″ Pistol 1:5 .338 ARC Hanson Barrel – Premium Black Series
The Ballistic Advantage 10.5″ .338 ARC Hanson Barrel (Premium Black Series) is engineered for shooters running heavy .338 ARC projectiles in compact AR-15 builds, where a faster twist rate is critical for stability—especially with subsonic loads. The 1:5 twist helps maintain consistent accuracy at lower velocities, and each barrel is lapped for improved bore consistency and long-term performance.
Machined from 416R stainless steel and finished with a durable QPQ (nitride/melonite) coating, this barrel is built for corrosion resistance and hard use. It includes BA’s Hanson profile and ships with a pinned low-profile gas block for secure alignment. Premium Black Series features include a Nickel Boron-coated extended feed ramp extension for reliable cycling across setups. Hanson barrels are not designed for aftermarket piston kits.
Features
- 1:5 twist optimized for heavy projectiles and subsonic stability
- 416R stainless steel with QPQ nitride/melonite finish
- Lapped barrel for enhanced consistency (per manufacturer)
- Hanson profile with pinned low-profile gas block included
- Nickel Boron-coated extended feed ramp extension for reliable cycling
- Pistol-length gas system for compact builds
- 5/8×24 muzzle threads for common muzzle devices and suppressor mounts
- Not designed for aftermarket piston kits (Hanson series)
Specifications
- Finish: Nitride / Melonite (QPQ)
- Barrel Profile: Hanson
- Cartridge Compatibility: .338 ARC
- Gas Block Journal: 0.750″
- Barrel Length: 10.5″
- Gas System Length: Pistol
- Platform: AR-15
- Twist Rate: 1:5
- Muzzle Thread Pattern: 5/8×24







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