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Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System

  • New Arrival

Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System

Item # 609671799

Proof Research Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System
Proof Research Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System
$1148.99
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or

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  • New Arrival

Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System

Item # 609671799

Proof Research Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System
Proof Research Proof Research 308 Win AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length Gas System

$1148.99
or
or
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$48/mo.†  suggested payments with 24 Months Financing or earn $57 in Rewards+ on this purchase.
Valid 11/02/2026 - 11/29/2026

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Up to 64% lighter than traditional steel barrels of similar contour. Improved heat dissipation for cooler and longer lasting barrels. Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.

  • Up to 64% lighter than traditional steel barrels of similar contour
  • Improved heat dissipation, helping barrels stay cooler and last longer
  • Barrel wrapped with high-strength, aerospace-grade carbon fiber
  • Carbon fiber is impregnated with a proprietary matrix resin
  • Firearm Fitment: AR-Platform
  • Barrel Features: Carbon Fiber Wrapped
  • Barrel Type: Rifle Length
  • Bore Type: Rifled
  • Caliber: 308 Win
  • Color: Natural
  • Finish: Carbon Fiber
  • Length: 18"
  • Length Range: 16"-20"
  • Material: Carbon Fiber
  • Thread Pattern: 5/8"x24
  • Twist: 1:10"
  • Weight: 2.60 lbs

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