CMMG Dissent Mk3 6.5mm Creedmoor
Model: 65AD20C
CMMG Dissent Mk3 6.5mm Creedmoor
Model: 65AD20C
Full Specifications
Threaded 5/8x24 barrel: compare .30 caliber suppressor prices.
About This Firearm
The CMMG Dissent Mk3 is a folding-stock semi-automatic 6.5mm Creedmoor built for range shooting and packing small. It has an MSRP of $2,349.95. The upper runs without a buffer, so nothing projects behind the receiver and the stock swings sideways instead of sliding over a tube.
Two 20-round Magpul LR/SR magazines come with it, and an adjustable gas block is already fitted, so the rifle can be tuned to a suppressor or to one load with no parts bought. The muzzle is 5/8x24 under a CMMG brake. The lower is an AR-10 sized Mk3 receiver on the LR-308 high pattern, so triggers, grips and magazines are off-the-shelf parts, where the upper, handguard, side charging handle and folding stock adapter are CMMG designs with no equivalent elsewhere. No sights are fitted.
If you're cross-shopping, the Sig Sauer CROSS also folds and has an MSRP of $1,619.99 at 6.90 lbs, but it is a bolt action feeding five rounds. The Tikka T3x CTR runs a 10-round magazine behind a 20.1-inch barrel at 8.16 lbs, again a bolt gun. At 8.8 lbs the Dissent carries more than either of them before an optic.
Best For
Strengths & Limitations
- With no buffer behind the receiver, the folded rifle fits a case or a pack that no conventional AR-10 of this barrel length would go into.
- Every CMMG product carries a lifetime quality guarantee against material and workmanship defects.
- The receivers are 7075-T6 aluminum under Armor Black Cerakote, and the barrel is nitrided through the surface instead of coated on the outside.
- The upper, handguard, charging handle and stock adapter are CMMG's own, so a worn or broken part is a factory order and not a trip to the parts bin.
- No accessory interface is stated for the handguard, so check how a light, a bipod or sling hardware attaches before ordering any of them.
- An optic and a mount are a required purchase, and there are no iron sights to fall back on if it fails in the field.
Compatible Ammunition
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Frequently Asked Questions
Do AR-15 parts fit it?
No. This is the AR-10 sized Mk3 platform, so AR-15 uppers, barrels and magazines are the wrong size. Trigger, grip and safety parts for the larger pattern fit the lower.
Is the charging handle on the side?
Yes, and it reverses. CMMG fits the Dissent side charger, so the rifle can be charged from the left or the right.
What magazines does it take, and where do spares come from?
Magpul PMAG LR/SR magazines. The lower is on the LR-308 and DPMS Gen 1 high pattern, so magazines and lower parts made for that pattern fit the same well.
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