The CMMG Resolute MK4 is a semi-automatic rifle chambered in .350 Legend with a 16.1-inch barrel. It weighs 6.10 lbs and runs a single-stage trigger with an ambidextrous safety lever. The stock is CMMG's 6-position RipStock for quick length-of-pull adjustments. It ships optic-ready with no fixed sights. 
 

Key Specifications 

• Model: Resolute MK4 
• Caliber: .350 Legend 
• Action: Semi-Auto 
• Barrel Length: 16.1 inches 
• Overall Length: 32.5 inches 
• Capacity: 10+1 rounds 
• Weight: 6.10 lbs 
• Trigger Type: Single-Stage 
• Safety Mechanism: Ambidextrous Lever 
• Stock Description: CMMG 6 Position RipStock 
• Sights: Optic Ready (no sights included) 
   

Detailed Features 

The barrel is 4140 Chrome Moly steel with a 1:16" twist, optimized for .350 Legend's bullet weights. A muzzle brake is included to cut recoil and help with follow-up shots. The ambidextrous safety lever works equally well for left- and right-handed shooters. The RipStock adjusts length of pull without tools. 
 
The .350 Legend caliber hits hard enough for deer-sized game while staying compliant in states that restrict straight-wall cartridge hunting. Its recoil is mild relative to its terminal performance, which makes the Resolute MK4 a reasonable choice for newer shooters as well as experienced hunters.

The CMMG Resolute MK4 in .350 Legend with tungsten finish draws generally positive feedback, though the conversation usually includes a few consistent qualifications.

Build quality comes up early and often. The tungsten Cerakote finish gets praised for both looks and durability, and the overall machining quality is well-regarded. Accuracy and reliability for hunting and target shooting are frequently cited as strengths, and the .350 Legend chambering earns marks for manageable recoil paired with solid terminal performance on deer.

The customizable ergonomics (ambidextrous safety, adjustable RipStock) land well with users who want a rifle that fits different shooters in the same household.

On the negative side, price is the most common friction point. CMMG sits above budget options, and some buyers debate whether the features justify the gap. Weight is occasionally mentioned for carry-heavy hunts, and .350 Legend ammo availability can be spotty in rural areas compared to more common cartridges. A few owners note that adding optics right out of the box takes some setup time since no sights are included.