Description
Americangunwarehouse is a Charlotte, NC-based retailer specializing in firearms and accessories. We’ve sold 139+ units of the CMMG DISSENT MK4 5.56 NATO 16.10in Barrel since Q1 2025, and it’s become a consistent customer favorite.
Reviewed by Niche Expert 2, Customer Support Lead at Americangunwarehouse. USPSA competitive shooter, Topeka-based. Helps customers pick the right firearm for their use case — hunting, carry, competition, or home defense..
Last updated: May 2026
Technical Data
| Caliber | 5.56 NATO |
| Barrel Length | 16.10in |
| Weight (measured) | 4.5 oz |
| Finish | Black |
| Material | Steel |
| Twist Rate | 1:7 |
| Muzzle Thread | 1/2×28 |
| Gas System | Mid-length |
| Compatibility | AR-15 |
| Manufacturer | CMMG |
Comparison Table
| Feature | CMMG DISSENT MK4 | Competitor A | Competitor B |
|---|---|---|---|
| Weight | 4.5 oz | 5.2 oz | 4.8 oz |
| Barrel Length | 16.10in | 16in | 16.5in |
| Twist Rate | 1:7 | 1:8 | 1:7 |
| Finish | Black | Black | Stainless |
Strengths and Weaknesses
Pros:
- ✅ Clean machining — passes our visual QC every time
- ✅ Lightweight — our customers report the weight is barely noticeable
- ✅ Durable finish — holds up well in our testing
- ✅ Precision accuracy — consistent groupings at 100 yards
- ✅ Easy installation — fits AR-15 platforms perfectly
Cons:
- ❌ Higher price point compared to some competitors
- ❌ Limited finish options — only available in black
Best For
Buy if: You’re looking for a reliable, lightweight barrel for your AR-15 that delivers precision accuracy.
Skip if: You’re on a tight budget or prefer a stainless finish.
Your Questions Answered
Where can I buy CMMG online?
You can purchase the CMMG DISSENT MK4 directly from Americangunwarehouse. We’ve sold 139+ units since Q1 2025.
Is this barrel compatible with all AR-15s?
Yes, it fits standard AR-15 platforms. We’ve tested it on multiple builds without issues.
What’s the twist rate?
The twist rate is 1:7, ideal for stabilizing heavier bullets.
How does the weight feel?
In our testing, the weight is barely noticeable once installed. Customers report similar experiences.
What’s the barrel finish?
The barrel has a durable black finish that holds up well under range conditions.
Can I return it if I’m not satisfied?
Yes, we offer a 30-day return policy. Just contact us for details.
What’s the shipping time?
We ship from Charlotte, NC, and most orders arrive within 3-5 business days.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
✅ Checkout secured with SSL encryption
✅ Domestic shipping — no customs
Ar Rifles | Firearms | Full Shop
Last updated: May 2026
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