PROOF Research 128688 6mm ARC 18-Inch Stainless Steel AR-Style Rifle Barrel, 1:7.5 Twist, Threaded

PROOF Research 128688 6mm ARC 18-Inch Stainless Steel AR-Style Rifle Barrel, 1:7.5 Twist, Threaded

PROOF RESEARCH
SKU:
128688
|
UPC:
843068128688
$649.00
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Width:
3.60 (in)
Height:
3.00 (in)
Depth:
25.10 (in)
Condition:
New
Current Stock:
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Description
Proof Research 128688 AR-Style Barrel 6mm ARC 18" Stainless Steel Finish & Material Rifle Length with Threading & .750" Gas Journal Diameter for AR-Platform

The PROOF Research 128688 Traditional Steel barrel is designed for AR-style rifle platforms chambered in 6mm ARC. Built for shooters who demand dependable performance and long-term durability, this stainless steel rifle barrel combines a rugged traditional steel construction with a precision-focused design. Its rifle-length configuration is suited for compatible builds where consistent handling and reliable function are priorities.
The barrel features a 1:7.5 twist rate, providing an appropriate projectile-stabilization platform for a variety of 6mm ARC loads. A threaded muzzle supports the use of compatible muzzle devices and accessories, giving builders and shooters added flexibility when configuring their rifle. The stainless finish offers a clean, durable appearance while helping the barrel stand up to regular use and demanding conditions.
PROOF Research is known for its commitment to manufacturing quality rifle barrels, and the 128688 reflects that focus with a practical design for AR-style applications. This model does not include sights, making it a suitable choice for builds that use an optic or other sighting system selected by the owner. Verify chambering, platform compatibility, installation requirements, and applicable regulations before purchase or installation. Professional installation and proper headspace verification are recommended for safe and reliable operation.

Features:

  • Caliber: 6mm ARC
  • Length: 18 inches
  • Model: AR-style barrel
  • Twist Rate: 1:7.5
  • Sights: None
  • Finish: Stainless steel
  • Barrel Type: Rifle-length
  • Barrel Features: Threaded
  • Type: E X Tra Barrels
Additional Information
length:
18"
model:
AR-Style Barrel
twist:
1:7.5"
sights:
None
finish:
Stainless
barrel type:
Rifle Length
barrel features:
Threaded
type:
E X Tra Barrels