BSF Barrels SF3IYT2278 AR-15 Semi-Auto .338 ARC 12-Inch 1:8 Twist Barrel
BSF BARRELS
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BSF BARRELS
BSF Barrels SF3IYT2278 AR-15 Semi-Auto .338 ARC 12-Inch 1:8 Twist Barrel
BSF SF3IYT2278 AR-15 SEMI-AUTO 338ARC 12" 1-8
The BSF Barrels SF3IYT2278 is an AR-15 semi-automatic barrel chambered for .338 ARC applications. Designed for builders, gunsmiths, and firearm enthusiasts assembling or upgrading a compatible AR-15 platform, this barrel provides a purpose-built foundation for a .338 ARC setup. Its 12-inch configuration offers a compact profile suited to applications where maneuverability and a shorter overall barrel format are important.
The barrel features a 1:8 twist rate, providing a consistent rifling specification for compatible .338 ARC ammunition. This configuration is intended for use with AR-15 builds and replacement projects that require a .338 ARC chambering. As a barrel component, the SF3IYT2278 can be selected for a new build or used to replace an existing barrel when the firearm and associated components are properly matched for caliber and compatibility.
Before installation, verify chambering, barrel interface, upper receiver compatibility, ammunition specifications, and all other build requirements. Installation and headspace verification should be completed by a qualified gunsmith or experienced professional using appropriate procedures and tools. The BSF Barrels SF3IYT2278 is a specialized component for .338 ARC AR-15 applications and should be used only in a properly configured firearm.
Features:
- Brand and Part Number: BSF Barrels SF3IYT2278
- Platform: Designed for compatible AR-15 semi-automatic builds
- Chambering: .338 ARC
- Barrel Length: 12-inch configuration
- Twist Rate: 1:8
- Product Type: AR-15 replacement or build barrel
- type:
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