CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd
$1,722.11
The CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd delivers flat-shooting performance for extended-range fun, with ambidextrous controls and a RipStock that fits the whole family. Perfect for youth shooters and beginners learning to shoot accurately at distance.
The CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd is a carbine-length AR-platform rifle built for extended-range precision in a compact, family-friendly package. Chambered in 6mm ARC, it delivers flatter trajectories and less wind drift than 5.56 NATO, making it ideal for youth shooters and beginners stepping up to longer distances. With ZEROED furniture, a RipStock, and a 10-round magazine, this rifle is ready for the range or field right out of the box.
Specifications
| Manufacturer | CMMG |
|---|---|
| Model | Resolute Mk4 |
| Material | 7075-T6 aluminum upper and lower receiver, steel barrel |
| Compatibility | 6mm ARC ammunition, standard AR-15 lower parts |
| Finish | Cerakote Armor Black |
| Weight | 7.2 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- 6mm ARC Chambering — WHY IT MATTERS: This cartridge shoots flatter than 5.56 at 600+ yards, giving new shooters confidence and reducing the need for holdover adjustments.
- 16.1-Inch Barrel with Mid-Length Gas System — WHY IT MATTERS: The mid-length system softens recoil and improves reliability, especially for smaller-framed shooters learning to manage a rifle.
- CMMG ZEROED Furniture and Controls — WHY IT MATTERS: Ambidextrous safety, charging handle, and bolt release make it easy for left- or right-handed family members to operate safely.
- CMMG RipStock — WHY IT MATTERS: This stock adjusts length of pull quickly, so the rifle fits a growing teen or a smaller adult without tools.
- EML15 M-LOK Handguard — WHY IT MATTERS: The free-float handguard allows mounting lights, bipods, or grips for customizing the rifle as skills progress.
Who It’s For
The CMMG Resolute Mk4 is built for families who want one rifle that grows with shooters — from first-time AR owners to experienced marksmen. It’s perfect for youth shooters who need a manageable recoil impulse, parents teaching safe rifle handling, and anyone looking to shoot steel or paper at 300-600 yards without the weight of a full-size precision rifle.
Pros & Cons
- Pro: 6mm ARC offers superb ballistics for varmint hunting and target shooting out to 800 yards.
- Pro: Ambidextrous controls make it safe and intuitive for all family members.
- Pro: 10-round magazine complies with many state capacity laws while still allowing range fun.
- Con: 6mm ARC ammunition can be harder to find and costs more than 5.56 NATO — plan ahead for practice sessions.
Comparison: CMMG Resolute Mk4 vs. Zev Technologies OZ-9 vs. Geissele Super Duty
| Feature | CMMG Resolute Mk4 | Zev Technologies OZ-9 | Geissele Super Duty |
|---|---|---|---|
| Caliber | 6mm ARC | 9mm (pistol) | 5.56 NATO |
| Barrel Length | 16.1 in | 5.3 in (pistol) | 14.5 in (pinned) |
| Weight | 7.2 lbs | 2.1 lbs | 6.8 lbs |
| Intended Use | Extended-range target/varmint | Competition/self-defense | Duty/tactical |
| Price | $1,537.60 | $1,899.00 | $1,799.00 |
The CMMG Resolute Mk4 stands out for its flat-shooting 6mm ARC cartridge — a clear advantage over the 5.56 Geissele at range. The Zev OZ-9 is a pistol, not a direct competitor, but highlights that the Resolute is a purpose-built rifle for distance shooting, not a do-it-all gun.
FAQ
What is the effective range of the CMMG Resolute Mk4 in 6mm ARC?
With quality ammunition, the 6mm ARC is effective on targets out to 800 yards. For hunting, ethical ranges are typically 400-500 yards on varmints or deer-sized game, depending on bullet selection.
Does the CMMG Resolute Mk4 accept standard AR-15 magazines?
No. The 6mm ARC uses proprietary CMMG 10-round magazines (included). Standard 5.56 magazines will not fit or function reliably. However, aftermarket 6mm ARC magazines are available from CMMG and other makers.
Is this rifle suitable for a beginner shooter?
Yes. The 6mm ARC has mild recoil — less than .308 but more than 5.56 — and the adjustable RipStock helps fit smaller shooters. Start with 100-yard targets and work up. Supervise new shooters closely.
Can I suppress the CMMG Resolute Mk4?
Yes. The 16.1-inch barrel and mid-length gas system are suppressor-friendly. The ZEROED muzzle brake can be replaced with a direct-thread or QD suppressor mount. Check local laws before attaching a suppressor.
Ready to Shoot?
Order your CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd today and bring the whole family to the range with confidence.
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Browse more options in our AR Rifles category or check out AR Uppers and AR Parts for customization.
Last updated: April 2026
FFL Transfer & Firearms Laws for CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd
All firearms, including the CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: AR Rifles.
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Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
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FFL Transfer & Firearms Laws
All firearms, including the CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the CMMG Resolute Mk4 6mm ARC 16.1 inch 10rd is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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