Product Description
The Proof Research AR-style barrel is engineered for AR-platform builds where lightweight performance and heat management matter. Featuring a carbon fiber wrap over a steel core, this .300 Blackout barrel delivers up to 64% weight reduction versus comparable all-steel contours while improving heat dissipation for cooler operation and extended barrel life. Designed for straightforward installation, it arrives threaded and ready to complete your AR-style setup.
Product Highlights
- Carbon fiber wrapped barrel design helps reduce weight (up to 64% lighter than similar steel contours)
- Enhanced heat dissipation for cooler running and longer-lasting performance
- High-strength, aerospace-grade carbon fiber with proprietary matrix resin for durability
- .300 Blackout chambering in a compact 12.5-inch length for AR-platform applications
- Threaded muzzle for compatibility with common muzzle devices and suppressor mounts
Specs
- Brand: PROOF RESEARCH
- Manufacturer Part Number: 100523
- UPC: 843068100523
- Platform Fit: AR-platform (AR-style / AR-15)
- Caliber: .300 Blackout
- Barrel Length: 12.5 in
- Barrel Type: Threaded
- Muzzle Thread: 5/8-24
- Twist Rate: 1:8
- Materials: Carbon Fiber/Steel
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