The CMMG Endeavor Mk3 in 6.5 Creedmoor (brand part no. 65A14C4-TNG) is a semi-automatic AR-10-pattern rifle finished in Tungsten, built around a 20-inch barrel for long-range accuracy in a proven cartridge. CMMG builds the Endeavor line on its Mk3 platform, a large-frame AR-10-pattern receiver set designed for long-action cartridges like 6.5 Creedmoor. Among AR-platform rifles in the AR rifles category, the Endeavor Mk3 favors long-range shooters who want a semi-automatic 6.5 Creedmoor rifle in a distinctive Tungsten finish.

Key Specifications

• Chambered in 6.5 Creedmoor.
• Operates as a semi-automatic AR-10-pattern rifle on the Mk3 platform.
• Features a 20-inch barrel.
• Finished in Tungsten.
• Built with a free-float M-LOK handguard for accessory mounting without contacting the barrel.
• Receivers are machined from aircraft-grade aluminum.
• Runs a ZEROED single-stage trigger and ambidextrous safety selector and charging handle.

Frequently Asked Questions

What platform is this rifle built on? CMMG’s Mk3 large-frame AR-10-pattern platform.

What finish does this rifle have? A distinctive Tungsten finish.

Buy the CMMG Endeavor Mk3 6.5 Creedmoor

A semi-automatic 6.5 Creedmoor rifle in a distinctive Tungsten finish is exactly what the Endeavor Mk3 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.