CMMG DISSENT Mk4 — 22 ARC, 16" Barrel, 10-Round, Folding Stock, Charcoal Green
Brand: CMMG • Series: DISSENT Mk4 (bufferless AR-15 platform) • Caliber: 22 ARC • Barrel: 16 inches, threaded • Capacity: 10+1 • Stock: Folding (bufferless-compatible) • Finish/Color: Charcoal Green • Model/SKU: 28A490F-CG / 28A490FCG • UPC: 810148627195
Meet the compact long-range AR you’ve been waiting for. The CMMG DISSENT Mk4 in 22 ARC pairs a bufferless operating system—which allows a true folding stock—with a 16" precision barrel to deliver outstanding velocity and accuracy in a highly portable package. Add the 22 ARC’s high-BC .224 bullets and you get flatter trajectories, reduced wind drift, and soft recoil from an AR-15 footprint that stows easily in trucks, scabbards, and discreet cases. Finished in a durable Charcoal Green that looks at home in open country or the training bay, this 10-round DISSENT is purpose-built for predator hunters, range athletes, and practical-precision shooters who demand performance without bulk.
Why DISSENT Mk4 + 22 ARC Is a Standout
Bufferless Design = Real Folding Stock: No receiver extension required, so you get a rock-solid folding stock for compact transport and tight spaces—without sacrificing shootability.
Long-Range .224 Ballistics: The 22 ARC was engineered around heavy 75–88+ gr bullets, giving superior downrange efficiency and noticeably less wind drift than legacy .223 loads.
16" Velocity Sweet Spot: Extracts speed and consistency for reliable dope to distance while keeping the rifle balanced and quick to shoulder.
AR-15 Familiarity: Standard controls and accessory ecosystem with next-level portability and precision.
Key Features
Caliber: 22 ARC (.224 bore; optimized for long, heavy bullets)
Barrel: 16" precision barrel, threaded for brakes/compensators/suppressor mounts*
Operating System: Bufferless DISSENT system enabling a true folding stock
Handguard: Free-float M-LOK® rail for rigid accessory mounting without contact on the barrel
Upper/Lower: AR-15 pattern with optics-ready top rail
Furniture: Folding stock, ergonomic grip; sling-friendly attachment points
Controls: AR-style controls; configuration may include ambi features (varies by shipment)
Magazine: 10-round detachable (state-friendly capacity; verify local laws)
Finish: Charcoal Green (low-glare, field-ready)
Model/SKU: 28A490F-CG / 28A490FCG • UPC: 810148627195
*Confirm thread pitch and device/suppressor ratings before installation.
Performance Advantages You’ll Notice
Precision From Any Position: The free-floated barrel and long, rigid handguard stabilize on bags, tripods, and barricades for repeatable POI.
Stay on Target: Mild 22 ARC recoil helps you spot impacts through the optic and run faster corrections—huge for varmints and stage work.
Packable Power: Fold the stock and the rifle tucks neatly in vehicles and cases, then deploys fast when it’s time to shoot.
Suppressor-Friendly: Threaded muzzle makes adding a .22-cal can straightforward for reduced blast and better shot-calling (where legal).
Ideal Use Cases
Predator & Varmint: Coyotes, fox, and prairie dogs—stretch distance with high-BC bullets and minimal recoil fatigue.
Practical Precision Training: Build wind-call and positional skills on a gas gun that’s easier to carry than big-frame ARs.
Ranch & Property: A compact, accurate, low-maintenance field rifle that’s ready when the shot window is short.
Travel & Truck Rifle: Bufferless folding stock design makes safe, discreet transport simpler.
Setup Tips for Best Results
Magazines Matter: 22 ARC typically feeds best from 6.5 Grendel-pattern AR-15 magazines due to the case geometry and longer COAL bullets.
Optics: Choose a dependable FFP 3–15x or 4–16x with a wind tree, or a quality LPVO for lighter setups.
Support Gear: Add a cant-adjustable bipod and small rear bag; consider an ARCA plate if you shoot from tripods.
Ammo Selection: Test multiple 75–88+ gr factory loads to find your node; log muzzle velocity and SD for trustworthy dope.
Gas/Buffer Tuning: If you change muzzle devices or run suppressed, tune for smooth ejection and minimal sight movement.
Specifications (At a Glance)
Platform: DISSENT Mk4 (AR-15 pattern, bufferless)
Caliber: 22 ARC
Barrel Length: 16", threaded
Handguard: Free-float M-LOK
Stock: Folding
Capacity: 10+1
Finish/Color: Charcoal Green
Model/SKU: 28A490F-CG / 28A490FCG
UPC: 810148627195
Note: Exact twist rate, thread pitch, furniture details, and included accessories can vary by production run. Check your rifle’s package contents for specifics.
Care & Maintenance
Break-In & Clean: Follow CMMG’s recommendations; keep the chamber, gas path, and crown clean for peak precision.
Torque Discipline: Verify torque on M-LOK accessories and optic mounts; use blue threadlocker where appropriate.
Data Tracking: Record MV, density altitude, and wind—clean data = repeatable hits across seasons.
SEO Highlights (Copy & Paste)
CMMG DISSENT Mk4 22 ARC 16" folding stock Charcoal Green
10-round precision AR-15, bufferless system for true folding stock
Free-float M-LOK handguard and threaded barrel for suppressor/brake
Optimized for high-BC .224 bullets with soft recoil
Model 28A490F-CG / 28A490FCG • UPC 810148627195
Frequently Asked Questions
Q: What magazines should I run for 22 ARC?
A: Use quality 6.5 Grendel-pattern AR-15 magazines for the most reliable feeding with long, heavy .224 bullets.
Q: Is a 16" barrel enough for long range?
A: Yes—16 inches balances velocity and handling. Combined with the 22 ARC’s efficient bullets, it performs impressively at practical long-range distances.
Q: Can I shoot suppressed?
A: The barrel is threaded. Confirm thread pitch and ensure your suppressor is rated for high-velocity .224 centerfire cartridges.
Q: What’s the advantage of the DISSENT bufferless system?
A: It eliminates the receiver extension, enabling a true folding stock and shorter overall length without compromising reliability.
Q: Are parts AR-15 compatible?
A: Controls and accessories follow AR-15 conventions; the 22 ARC uses a Grendel/ARC-style bolt face and prefers Grendel-pattern mags.
Compact, Accurate, Ready for Distance
The CMMG DISSENT Mk4 22 ARC 16" (28A490F-CG / 28A490FCG, UPC 810148627195) gives you long-range capability, soft recoil, and a true folding stock—all in an AR-15 platform that’s easy to carry and fast to deploy. Mount good glass, feed it high-BC ammo, and watch your hit percentage climb.
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