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BSF Barrels AR-15 .300 AAC Blackout Carbon Fiber Barrel in Gray Carbon Fiber. This AR-15 barrel is designed for .300 AAC Blackout and features 5/8x24 threads and a pistol-length gas system. It has 6 groove button rifling and an 11-degree target crown for improved accuracy. The barrel is constructed from 416R stainless steel with a carbon fiber outer wrap, reducing weight without sacrificing strength. Compatible with AR-15 platform.
Specifications:
Package Contents: BSF Barrels AR-15 .300 AAC Blackout Carbon Fiber Barrel
Estimate only. Based on caliber + barrel length bucket. View details
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Sign In to Set AlertThis is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
A neutral guide to how barrel length affects velocity and handling, how profile changes weight and heat management, and how twist rate stabilizes different bullet weights.
8 min read
Guide
A neutral guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
6 min read