Sig Cross Pre-Fit Drop In Carbon Fiber 6.5 Creedmoor 18" Bbl
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specifications

Manufacturer:

Proof Research

Platform:

AR-10

Caliber:

6.5 Creedmoor

Barrel Length:

18"

    Sig Cross Pre-Fit Drop In Carbon Fiber 6.5 Creedmoor 18" Bbl

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    6.5 Creedmoor Proof Research None None None $1,099.00 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Carbon fiber has long been hailed across many industries-aerospace, cycling, alternative energy-as a wonder material making everything lighter and stronger. When employed in a rifle barrel the benefits extend beyond reducing weight and increasing strength. The patented manufacturing process begins with full-profile, match-grade 416R stainless steel barrel blanks that are made in their firearms division. These blanks are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour barrel is then wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin developed by their advanced composites division Mfg: Proof Research

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