Criterion Barrels 18" 6.5 Grendel Hybrid Stainless Rifle Length Barrel - 65G18S-HY12

Criterion Barrels 18″ 6.5 Grendel Hybrid Stainless Rifle Length Barrel

Enhanced Precision and Maneuverability for Long-Range AR-15 Builds

The Criterion 18″ 6.5 Grendel Hybrid Stainless Barrel is crafted to deliver the long-range accuracy and consistency that 6.5 Grendel shooters demand. Known for its precision at extended ranges, 6.5 Grendel can be utilized in the AR-15 platform, offering a significant advantage over 5.56. This 18” match-grade barrel by Criterion Barrels combines a custom stainless steel build with a hybrid profile, ensuring strength without unnecessary weight. With a 1:8 twist rate and hand-lapped rifling, each barrel is prepared to deliver smooth, consistent lands and grooves—perfect for precision-focused AR-15 builds.

Ideal for building a precision AR-15 capable of long-range shooting with exceptional maneuverability for practical use in the field.

Features

• 18” Barrel with 6.5 Grendel Type II Chamber: Compatible with the AR-15 platform and optimized for long-range accuracy.
• Hybrid Barrel Contour: Combines the rigidity of a heavy barrel with a tapered profile for improved balance and reduced weight.
• 1:8 Button Rifled Twist: Precision rifling ensures accuracy, especially with long-range loads.
• Hand-Lapped Rifling: Provides a smooth, consistent bore finish essential for accuracy.
• Rifle Length Gas System: Features a .750” gas block journal, dimpled beneath the gas port for secure gas block installation.

Specifications

• Finish: Stainless
• Barrel Profile: Hybrid
• Gas System Length: Rifle
• Gas Block Journal: 0.75
• Barrel Length: 18″
• Cartridge Compatibility: 6.5 Grendel
• Platform: AR-15
• Twist Rate: 1:8
• Muzzle Thread Pattern: 5/8×24
• Weight: 2.50 lbs

This Criterion 18″ 6.5 Grendel barrel is designed for the serious marksman who wants superior long-range accuracy without sacrificing handling. Its hybrid contour provides optimal balance and reduced weight, making it an ideal choice for field or competitive applications. The high-quality stainless steel construction, coupled with a hand-lapped finish, ensures reliability and consistent performance over extended use.

Build your precision AR-15 with the Criterion 18” 6.5 Grendel Hybrid Barrel—where accuracy, performance, and balance come together for unmatched results.