Description

The DSI .300 Blackout AR-15 Barrel is designed to deliver consistent performance across compact and full-length AR-platform configurations. Each barrel is precision-machined from premium 4142 chromoly steel and treated with a durable nitride finish to enhance corrosion resistance, surface hardness, and service life.

Optimized gas system configurations and carefully selected twist rates ensure reliable cycling and accuracy with a wide range of .300 Blackout loads. Whether configured for suppressed pistol builds, SBR applications, or a versatile 16-inch rifle, these barrels provide dependable function and compatibility with standard AR components.

DSI .300 Blackout AR-15 Barrel features standard .750″ gas block journals, threaded muzzles for suppressor or muzzle device compatibility, and are proudly manufactured in the USA to exacting quality standards.

Shared Technical Features

• Caliber: .300 Blackout

• Material: 4142 Chromoly Steel

• Finish: Nitride Treated

• Gas Block Journal: .750″

• Muzzle Threads: 5/8×24

• Platform: AR-15

• Country of Manufacture: USA

VARIATION MATRIX

🔸 Variation 1

• Barrel Length: 7.5″

• Gas System: Pistol Length

• Twist Rate: 1:8

• SKU: DSI-BRL-300SC-7P8T-NIT

• UPC: 496378002164

• Price: $149.95

🔸 Variation 2

• Barrel Length: 12.5″

• Gas System: Pistol Length

• Twist Rate: 1:7

• SKU: DSI-BRL-300SC-12P7T-NIT

• UPC: 496377049467

• Price: $149.95

🔸 Variation 3

• Barrel Length: 16″

• Gas System: Carbine Length

• Twist Rate: 1:8

• SKU: DSI-BRL-300SC-16P8N-NIT

• UPC: 496377027656

• Price: $149.95