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Alexander Arms AR-15 6.5 Grendel 16in Incursion Threaded AR Barrel. Chrome moly steel barrel designed for AR-15 platform. Pre-drilled for gas blocks, extremely lightweight profile, button-rifled chrome moly 6.5 Grendel barrel with 60-degree muzzle crown. Barrel extension installed. Gas block diameter 0.875 inches. Threads per inch: 5/8x24. Weight: 2 lb. Finish: Anodized Black.
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