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Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal

  • New Arrival

Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal

Item # 609419899

Proof Research Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal
Proof Research Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal
$748.99
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  • New Arrival

Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal

Item # 609419899

Proof Research Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal
Proof Research Proof Research 6mm ARC AR-Style Barrel for AR-Platform, 18 in., 5/8 in. x 24 Thread, Rifle Length, .750 in. Gas Journal

$748.99
or
or
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Valid 8/24/2026 - 9/7/2026

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Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry. The Traditional Steel barrel is long-lasting and extreme pressure resistant.

  • Proof Research's barrels represent a relentless pursuit of excellence.
  • Whatever the preference, they claim you can expect the finest rifle barrel in the industry.
  • Traditional Steel barrels are long-lasting.
  • Traditional Steel barrels are extreme pressure resistant.
  • Firearm Fitment: AR-Platform
  • Barrel Features: Threaded
  • Barrel Type: Rifle Length
  • Caliber: 6mm ARC
  • Color: Stainless
  • Diameter: .750"
  • Finish: Stainless
  • Length: 18"
  • Length Range: 16"-20"
  • Material: Stainless Steel
  • Sights: None
  • Thread Pattern: 5/8"x24
  • Twist: 1:7.5"
  • Weight: 2.14 lbs

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