CMMG Endeavor Mk4 Rifle | 5.56x45mm | 18in | 30rd

The CMMG Endeavor Mk4 is an AR-15 platform rifle chambered in 5.56x45mm designed for extended-range accuracy and modular compatibility. It ships with an 18-inch nitride-finished 416 stainless steel barrel and includes a 30-round magazine and 1/2×28 threaded muzzle, finished in Coyote Tan. For a practical optic under $1,000 that complements the rifle’s reach and versatility, consider the Vortex Strike Eagle 1-6×24 for close-to-mid-range precision and fast target acquisition.

Product Specifications

• The manufacturer is CMMG.
• The model is Endeavor Mk4.
• The caliber is 5.56x45mm.
• The magazine capacity is 30 rounds.
• The barrel is a 18-inch 416 stainless steel, nitride-finished barrel.
• The barrel threading is 1/2×28 for common muzzle devices.
• The finish/color is Coyote Tan.
• The rifle is built on the Mk4 AR15 platform.
• The handguard is the EML 15 with M-LOK slots at the 12, 3, 6 and 9 o’clock positions.
• The stock is a Magpul MOE rifle stock.
• The muzzle device is a ZEROED muzzle brake.
• The rifle accepts AR15-compatible components.
• The rail sections provide Picatinny mounting points for sights and accessories.
• The UPC is 810144722856.

Well-suited for precision target work and varmint or small-game hunting, the Endeavor Mk4 delivers the modularity and barrel performance shooters expect from a purpose-built AR platform. Its M-LOK handguard and Picatinny sections allow straightforward accessory mounting, and the 18-inch stainless barrel provides a balance of velocity and maneuverability. If you value a rifle that is component-compatible and configured for accurate, repeatable shots at distance, this configuration is a practical, capable option.

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