CMMG Resolute MK4 Complete Upper – .22 ARC 16.10″

Description

The CMMG Resolute MK4 complete upper group is built for the AR-15 platform and configured for .22 ARC performance. The assembly features a 16.10″ barrel and a 15″ M-LOK handguard constructed from 7075-T6 aluminum. Designed to provide consistent function from the AR-15 platform, .22 ARC delivers 22-250 levels of ballistic performance in the Mk4 lineup.

Key Specifications

• The manufacturer is CMMG.
• The model is Resolute MK4.
• The caliber is .22 ARC.
• The barrel length is 16.10″.
• The barrel material is 4140 Steel.
• The handguard is 15″ M-LOK.
• The handguard material is 7075-T6 Aluminum.
• The twist rate is 1:7.
• This item is a Complete Upper Group.

This Resolute MK4 upper provides a modern, practical configuration for shooters seeking efficient .22 ARC performance on the AR-15 platform. Its combination of a 16.10″ 4140 steel barrel, 1:7 twist rate and a 15″ M-LOK 7075-T6 handguard gives a capable, balanced package suitable for precision target work and field use.

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