Helix 6 Precision Carbon Fiber 18in 308 Win Rifle Barrel 308cal 0.875GB 1-10 Twist 5/8-24 Black

Helix 6 Precision Carbon Fiber 18in 308 Win Rifle Barrel 308cal 0.875GB 1-10 Twist 5/8-24 Black. These Rifle Barrels made by the experts at Helix 6 Precision are exceptionally accurate thanks to the proprietary carbon wrap process. The Helix 6 Precision 308 Win Carbon Fiber Barrel also features harmonic dampening due to the unique carbon layup design. Carbon fiber barrels are 50percent lighter than an equivalent steel barrel and this is because the carbon wrap process causes the Carbon Fiber Bar