BSF Barrels AR-15 Barrel 9mm Luger 10" 1:10 Twist Carbon Fiber

Overview

The BSF Barrels AR-15 barrel is chambered in 9mm Luger with a 10-inch length and a 1:10 twist. Built using a 416R stainless steel match core that is double stress-relieved with 6-groove button rifling, the barrel features a roll-wrapped carbon fiber sleeve loaded under tension. This specialized jacketing method leaves air gaps between the carbon fiber and steel to vent heat rapidly and prevent delamination. The carbon fiber material matches the thermal expansion rate of the stainless steel, resulting in a lightweight, highly rigid barrel that dampens vibration and maintains straight rifling as temperatures rise.

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