CMMG Endeavor Mk3

The ENDEAVOR Mk3 is purpose-built for long-range precision shooting. Its 20-inch barrel and 6.5 Creedmoor chambering are specifically engineered to provide the stability and flat trajectory needed for engaging targets at extended distances.

The adjustable gas block allows you to fine-tune the rifle's cycling based on your specific ammunition load. This helps reduce felt recoil and ensures the rifle operates smoothly, which is critical for maintaining sight picture during follow-up shots.

While it features an M-LOK handguard that accepts a wide range of standard accessories, the Mk3 platform uses a larger receiver set designed for full-power cartridges like the 6.5 Creedmoor. You should ensure any specific parts you plan to swap are compatible with the Mk3/LR-308 pattern.

The ZEROED suite is CMMG’s proprietary line of upgraded controls, including the charging handle, pistol grip, and trigger. These components are designed for better ergonomics and tactile feedback compared to standard mil-spec parts, improving overall handling and comfort.

A 1:8 twist rate is the industry standard for 6.5 Creedmoor, as it effectively stabilizes a wide range of bullet weights. It performs exceptionally well with the heavier, high-ballistic-coefficient projectiles typically used for long-range precision work.

Yes, the upper receiver features a continuous top rail, providing a solid, stable platform for mounting your preferred long-range optic. You will need to select rings or a mount that provides the correct eye relief for your specific scope.