BSF Barrels AR-15 Barrel 350 Legend 18" 1:16 Twist Carbon Fiber

Overview

The BSF Barrels AR-15 Barrel is an 18-inch carbon fiber-sleeved barrel chambered in 350 Legend with a 1:16 twist. BSF utilizes a unique jacketing method where a match-grade 416R stainless steel barrel is placed under tension inside a roll-wrapped carbon fiber sleeve, leaving air gaps that allow air to circulate and cool the barrel rapidly without delamination risks. Machined openings in the carbon fiber assist with heat venting while maintaining the rifling under tension for enhanced stiffness, strength, and straightness as temperatures rise. Additional features include an 11-degree target crown, 6-groove button rifling, double stress relief, and a vibration-dampening effect that absorbs shock for tighter shot groups.

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