BSF Barrels makes this 12-inch barrel for AR-15 rifles chambered in .338 ARC, with a 1:8 twist rate. BSF lists it in its semi-auto barrel line for direct installation in an AR-15 upper. It is a good base for a modern-cartridge AR-15 build.
- Brand: BSF Barrels
- Fits: AR-15
- Caliber: .338 ARC
- Length: 12 in.
- Twist: 1:8
- Type: semi-auto rifle barrel
- Manufacturer part #: SF3IYT2278
- UPC: 615678614260
