The LWRC Advance Duty Bolt 6.8 SPC Alloy is a purpose-built replacement bolt engineered for LWRC rifles chambered in 6.8mm, including the Six8 series and legacy M6 rifles with 6.8 SPC barrels. Machined from a high-strength super-alloy steel and finished in a slick nickel boron coating, this bolt is designed to drop into any mil-std carrier and deliver smooth, consistent cycling with enhanced durability.

This model’s fully supported bolt face removes the traditional undercuts around the extractor pocket, increasing strength where it matters most. A dual-spring extractor boosts extraction force and significantly extends service life, making it a smart upgrade for dedicated range use, training, or hunting with 6.8 SPC platforms. LWRC’s attention to materials, machining, and surface treatment reflects the brand’s reputation for innovative, hard-use rifle components.

Key Features:

• Manufacturer: LWRC
• Model: Advanced Duty
• Caliber: 6.8 SPC / 6.8mm Rem SPC
• Type: Bolt
• Material: Super Alloy Steel
• Finish: Nickel Boron Coated
• Compatibility: Fits Any Mil-Std Carrier, LWRC Six8 And M6 6.8 SPC Rifles
• Extractor: Dual-Spring Extractor Design
• Design: Fully Supported Bolt Face Without Undercuts