CMMG ENDEAVOR MK4 .22 ARC

The CMMG Endeavor Mk4 .22 ARC is a purpose-built AR-platform rifle chambered in .22 ARC designed to deliver lighter-weight, long-range performance on the range or in field use. Its semi-automatic Mk4 platform integrates modern controls and ergonomic furniture for repeatable handling.

Built around the Mk4 receiver set, the rifle pairs a CMMG EML15 M-LOK handguard with a Magpul MOE rifle stock and ambidextrous controls for a familiar AR feel and broad accessory compatibility. The rifle uses a ZEROED-series trigger and controls, and is finished in Cerakote Armor Black for a uniform appearance.

Key Specifications

• The caliber is .22 ARC.
• The action type is Semi-Automatic.
• The rate of twist is 1:7.
• The gas system is .750″ rifle-length.
• The muzzle thread pattern is 1/2 x 28.
• The magazine capacity is 10 rounds.
• The overall length is 39.8 inches.
• The weight is 6.8 lbs.
• The handguard is a CMMG EML15 M-LOK.
• The stock is a Magpul MOE rifle stock.

The CMMG Endeavor Mk4 .22 ARC combines modern AR ergonomics and modularity with .22 ARC performance, making it a practical option for shooters seeking a lighter-recoil, long-range-capable AR-platform rifle. Buy the CMMG Endeavor Mk4 .22 ARC online today for a reliable addition to your firearms collection.