BSF Barrels SF3IYT0050 AR-15 6mm ARC Semi-Automatic Barrel, 18-Inch, 1:7.5 Twist

The BSF Barrels SF3IYT0050 is an AR-15-compatible barrel designed for 6mm ARC semi-automatic platforms. Built for shooters assembling or upgrading a compatible rifle, this barrel provides a purpose-specific foundation for a 6mm ARC build while maintaining the familiar AR-15 configuration. Its 18-inch length and 1:7.5 twist rate are clearly defined for users selecting components based on their intended setup and ammunition requirements.
The SF3IYT0050 is identified as an Xtra Barrel model, making it a practical component for builders, gunsmiths, and enthusiasts who need a dedicated replacement or project barrel. The 6mm ARC chambering offers compatibility with rifles and upper assemblies configured for that cartridge, while the semi-automatic designation aligns the barrel with AR-15-style operating systems. Confirm compatibility with your receiver, bolt, gas system, handguard, and other components before installation.
BSF Barrels combines a focused product design with specifications that make selection straightforward. The 1:7.5 twist rate is suited to the 6mm ARC platform and should be considered alongside bullet weight, ammunition selection, and the intended use of the completed rifle. Professional installation and appropriate headspace verification are recommended when fitting any barrel to an AR-15 platform. Always follow applicable laws, firearm manufacturer guidance, and safe handling procedures.
Whether used for a new build, a replacement project, or a dedicated 6mm ARC configuration, the BSF Barrels SF3IYT0050 delivers a clearly specified barrel option for compatible AR-15 semi-automatic applications. Its brand, part number, chambering, length, and twist rate make it easy to identify when planning a precision-focused component setup.

Features:

• Brand: BSF Barrels

• Part Number: SF3IYT0050

• Platform: AR-15 semi-automatic rifles

• Chambering: 6mm ARC

• Barrel Length: 18 inches

• Twist Rate: 1:7.5

• Type: Xtra Barrel