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BSF Barrels AR-15 .338 ARC Threaded AR Barrel. Construction: a 416R stainless steel match barrel jacketed in a roll-wrapped carbon fiber sleeve. The carbon fiber is designed to move at the same expansion rate as 416R stainless steel. Slots are machined into the carbon fiber to vent heat quickly and prevent delamination. The carbon fiber construction keeps the barrel lightweight while maintaining stiffness and strength. Package Contents: BSF Barrels AR-15 .338 ARC Threaded AR Barrel.
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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