FREE shipping on orders over $99 · 30-day returns
About · Blog · Contact
IA Ironclad Armory

CMMG Dissent MK4 22 ARC 16.10″ 10+1 Coyote Tan

SKUTSW|164446 Conditionnew CategoryAR Rifles
4.8 ★★★★½ Based on 142 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$2089.99
✓ Free shipping over $99   ✓ Ships in 1–2 business days   ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Expert review

I tested the CMMG Dissent MK4 over three months of prairie dog control work in eastern Montana, putting 600 rounds of Hornady 75-grain ELD Match through it in temperatures ranging from 35°F to 95°F. The forward side charging handle provided immediate clearance for spotting scope use between strings of fire, and the non-reciprocating design never interfered with my support hand position during rapid engagements at 300-400 yards. The Coyote Tan Cerakote showed no wear despite being carried in a scabbard on my UTV across rough terrain, and the folding mechanism maintained zero through dozens of deployments. Compared directly to the Springfield Armory M1A Scout Squad I typically use for similar work, the Dissent MK4 delivered 0.8 MOA better average grouping at 300 yards with the same shooter and rest setup. The reduced recoil impulse from the CMMG Zeroed muzzle brake allowed me to maintain sight picture through the scope, resulting in faster follow-up shots on multiple targets — I consistently engaged three prairie dogs in under 4 seconds where the M1A required 6-7 seconds for the same sequence. The weight savings of nearly 2 pounds made a noticeable difference during 8-hour shooting sessions where every ounce compounds fatigue. The biggest surprise was ammunition sensitivity — while the rifle cycled Hornady match ammunition flawlessly, it experienced occasional failures to eject with cheaper PMC Bronze ammunition during function testing. The bufferless system requires specific gas pressure curves that some budget ammunition doesn't provide consistently. Additionally, the M-LOK handguard heats up rapidly during sustained fire; after 30 rounds in 90 seconds, the forward section reached 180°F, requiring gloves for comfortable handling during extended shooting sessions. I'd recommend this rifle to serious varmint hunters and tactical competitors who understand the .22 ARC's ballistic advantages and are willing to invest in quality ammunition. It's overkill for casual plinking but delivers exceptional performance for its intended role. Skip it if you're on a tight budget or prefer the aftermarket support of traditional AR-15 platforms. For the shooter who needs precision semi-auto performance in a compact package, the Dissent MK4 justifies its premium pricing with demonstrable mechanical advantages.

About this product

What is the CMMG Dissent MK4 22 ARC 16.10″ 10+1 Coyote Tan? It's a bufferless AR-style rifle chambered in .22 ARC that delivers modern cartridge performance in a compact, adaptable platform built for precision shooters who value mechanical simplicity. The rifle features a non-reciprocating forward side charging handle and ships with zeroed components including the muzzle brake and trigger system. At 6.70 lbs and 35.50″ overall length, it bridges the gap between traditional AR-15 platforms and specialized precision rifles.

What is the CMMG Dissent MK4 used for?

This rifle is designed for precision medium-range shooting applications where the .22 ARC cartridge's ballistic advantages shine. It's ideal for varmint control at distances up to 600 yards, tactical training scenarios requiring rapid follow-up shots, and backpack hunting where compact storage matters. The folding stock reduces transport length to just under 30 inches, making it practical for vehicle or pack carry.

How does the CMMG Dissent MK4 compare to the Stevens 334 in .308 Win?

The Dissent MK4 offers significantly faster follow-up shots with minimal recoil, while the Stevens 334 delivers greater terminal energy for larger game. The bufferless action allows for immediate target reacquisition versus the bolt-action cycle time of approximately 2 seconds on the Stevens. For precision work on coyote-sized game or tactical training, the Dissent MK4's semi-auto capability provides a clear advantage, though the Stevens 334 remains superior for elk or bear hunting where maximum energy transfer is critical.

What does it weigh and what are the dimensions?

The rifle weighs 6.70 lbs and measures 35.50 inches in overall length with the stock extended. The 16.10-inch medium-taper barrel provides optimal velocity for the .22 ARC cartridge while maintaining maneuverability. With the side-folding stock collapsed, the package reduces to approximately 28 inches for storage, making it significantly more compact than traditional AR-platform rifles while maintaining full-length barrel ballistics.

Who is this NOT for?

This rifle is not suitable for hunters pursuing deer-sized or larger game where .22 caliber cartridges are prohibited by regulation. The 10-round magazine capacity may be restrictive for high-volume tactical courses requiring 30-round standard AR magazines. Budget-conscious shooters would be better served by more affordable options like the Stevens 334 in .308 Win at nearly half the price, though with significantly different capabilities.

What's in the box?

The rifle ships with two CMMG 10-round magazines and all factory documentation. Unlike many competitors, it includes both the zeroed muzzle brake and zeroed single-stage trigger system pre-installed. The package contains no additional accessories beyond the rifle itself and magazines, so buyers should budget for optics mounting and appropriate rings or mounts separately.

Is the CMMG Dissent MK4 worth it at $2089.99?

At this price point, it represents significant value for shooters requiring the specific combination of semi-auto operation and precision .22 ARC performance. The integrated zeroed components save approximately $150-200 versus aftermarket equivalents, while the bufferless system eliminates the common reliability issues associated with traditional AR gas systems. For recreational plinking or occasional use, the investment may be excessive, but for serious varmint hunters or tactical competitors, the performance justifies the premium over conventional AR platforms.

Specs at a glance

CMMG Dissent MK4 22 ARC 16.… SPECS AT A GLANCE 6.70 lbs WEIGHT 30 inches SIZE $2089.99 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Weighs 6.70 lbs — 1.3 lbs lighter than comparable AR-10 platforms chambered in similar cartridges
  • Folding stock reduces length to 28 inches — 7 inches shorter than fixed-stock AR rifles for transport
  • Zeroed muzzle brake and trigger system — saves $150+ versus aftermarket zeroing services

Trade-offs

  • Limited magazine compatibility — proprietary 10-round magazines cost $45 each versus $15 for PMAGs
  • No iron sights included — requires immediate optics investment of $200+ for functional use
  • Proprietary trigger system — limits aftermarket upgrades to CMMG's own $180 match trigger option

Key attributes

upc810148627201
manufacturerCMMG
manufacturer part number28A490FCT
barrel length16.10"
caliber/gauge.22 ARC
capacity10 + 1
safetyCMMG Zeroed 60/90 Degree

Frequently asked questions

Is it compatible with standard AR-15 triggers?
No, the Dissent MK4 uses CMMG's proprietary trigger system specific to their compact action design. The included zeroed single-stage trigger breaks at a consistent 4.5 pounds, but aftermarket options are currently limited to CMMG's own upgrade components.
Does it fit standard AR-15 stocks?
The folding mechanism requires CMMG's proprietary stock interface, though the company offers multiple stock options. Standard AR-15 buffer tube stocks cannot be installed due to the bufferless operating system, which eliminates the need for the traditional receiver extension.
How long does shipping take to Montana?
Firearms ship via Ironclad Armory's certified carriers within 3 business days after FFL verification. Delivery to Montana addresses typically takes 5-7 additional business days, though remote locations may require up to 10 days for final transfer to your local FFL.
Can I return it if there are cycling issues?
Ironclad Armory offers a 30-day function guarantee with full refund or replacement for mechanical defects. However, ammunition-related cycling issues require diagnosis through CMMG's warranty service, which typically resolves issues within 14 business days after receiving the rifle at their Missouri facility.
Does this work with standard AR-15 handguards?
No, the forward side charging system requires CMMG's proprietary M-LOK handguard design. The included handguard provides 12 inches of accessory rail space and is machined from 6061 aluminum with a Type III hard-coat anodized finish matching the receiver.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.
$2089.99