The BSF Barrels BSF SF3IYT0090 AR-10 Semi-Auto 308 20" 1-10 barrel is a precision 20-inch replacement barrel built for AR-10 platforms chambered in .308 Winchester / 7.62x51mm. Designed around a semi-automatic gas system, it offers a balanced 1:10 twist rate to stabilize a wide range of popular .308 bullet weights while maintaining consistent accuracy.

This barrel is ideal for shooters setting up an AR-10 for range work, training, or hunting where reliable semi-auto function and dependable precision are priorities. The 20-inch length provides a solid blend of velocity and handling, making it well suited for medium- to longer-distance shooting with quality .308 ammunition. BSF Barrels is known for focusing on performance-driven designs that emphasize consistency and attention to detail.

Key Features:

• Manufacturer: BSF Barrels
• Model: SF3IYT0090
• Caliber: .308 Winchester / 7.62x51mm
• Action: Semi Auto (AR-10 Platform)
• Barrel Length: 20 Inches
• Twist Rate: 1:10