CMMG Dissent BR47 7.62x39mm 16.1in 10+1 Magpul SGA
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Expert review
About this product
The CMMG Dissent BR47 is a semi-automatic modern sporting rifle chambered in 7.62x39mm with a 16.1-inch threaded barrel, Magpul SGA stock, and ambidextrous controls designed for reliability and modularity. It bridges the gap between AR-platform ergonomics and the hard-hitting ballistics of the Soviet cartridge, making it ideal for hunters, tactical trainers, and those who prefer the 7.62x39mm's performance but want modern accessory mounting. Built on CMMG's proven radial delayed blowback system, it handles steel-case ammo without the gas system fuss of an AK-pattern rifle.
What is the CMMG Dissent BR47 used for?
The Dissent BR47 is optimized for medium-game hunting, defensive training, and range use where 7.62x39mm's terminal performance is preferred over 5.56mm. Its 16.1-inch barrel with 1:10 twist stabilizes heavier projectiles like 123-grain and 154-grain SP effectively, making it capable for deer or hog hunting out to 200 yards. The non-reciprocating side charger and ambidextrous controls allow for rapid manipulation from unconventional shooting positions, while the M-LOK handguard accepts lights, lasers, and foregrips for low-light scenarios.
How does the CMMG Dissent BR47 compare to the Stevens 334 Rifle in .308 Win?
The Dissent BR47 offers semi-auto rapid follow-up shots and modern ergonomics, while the Stevens 334 in .308 Win provides superior long-range accuracy and lower ammunition cost per round for precision shooting. The Stevens bolt-action system is inherently more accurate for benchrest shooting beyond 300 yards, but the Dissent's radial delayed blowback handles rapid fire without the gas tuning required by direct impingement ARs. For brush hunting or defensive use where speed matters, the Dissent is superior; for precision paper punching or ethical long-range hunting, the Stevens wins.
What does it weigh and what are the dimensions?
Unloaded weight is 8.1 pounds with an overall length of 35.5 inches collapsed and 38.75 inches extended. The 16.1-inch barrel keeps it compliant without NFA paperwork while providing adequate velocity for 7.62x39mm—approximately 2,350 fps with 123-grain FMJ. The 15-inch M-LOK handguard offers 27 slots for attachments, and the 5/8x24 threaded muzzle accepts suppressors or brakes without adapters.
Who is this NOT for?
Avoid this rifle if you prioritize ultra-lightweight builds or budget ammunition—the 8.1-pound weight is noticeable during long stalks, and 7.62x39mm brass-case hunting ammo costs $0.80/round versus $0.45 for .223 Remington. It's also not ideal for beginners due to the aggressive recoil impulse compared to 5.56mm platforms, and the 10-round magazine limit (in compliant states) restricts high-volume training compared to standard 30-round AR mags.
What's in the box?
You receive the complete rifle with one 10-round Magpul PMAG, a Magpul SGA stock adjustable for length of pull from 12.5 to 14.5 inches, and a single-stage mil-spec trigger group. CMMG includes a thread protector for the muzzle but no iron sights, optics, or sling—plan to add $300-$500 for a red dot, mount, and QD sling attachments. The hard case is foam-lined but not Pelican-grade; for serious field use, upgrade to a waterproof field case.
Is the CMMG Dissent BR47 worth it at $2040.99?
At $2,040.99, it's justified for shooters who need a reliable, modern 7.62x39mm platform without AK ergonomic compromises. The radial delayed blowback system reduces felt recoil by approximately 30% compared to a direct blowback AR-9, and the ambidextrous controls are a $150 upgrade if added to a budget rifle. However, if you already own an AK-pattern rifle with optics rails, the value diminishes unless you specifically prefer AR handling.
Specs at a glance
Pros & cons
What works
- Radial delayed blowback reduces felt recoil by ~30% vs. direct blowback systems
- Ambidextrous controls include safety, bolt release, and non-reciprocating charger—saves $150 vs. aftermarket upgrades
- 15-inch M-LOK handguard offers 27 slots for lights, grips, and bipods without rail clutter
- 1:10 twist rate stabilizes heavy 154-grain SP hunting rounds effectively at 200+ yards
Trade-offs
- 8.1-pound weight is 1.8 pounds heavier than a lightweight AR-15—noticeable on long carries
- Proprietary magazines cost $25-$35 each vs. $12 for AK surplus mags
- No iron sights included—add $100-$300 for BUIS or optic
- 10-round mag capacity restricts training volume in compliant states
Key attributes
| upc | 840442503451 |
| manufacturer | CMMG |
| manufacturer part number | 86A950AAB |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel length | 16.10" |
| caliber/gauge | 7.62 x 39mm |
| capacity | 10 + 1 |
| color | Black |
| length | 39.9000 |
| safety | Reversible Crossbolt |
| sights | No |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with standard AK-47 magazines?
- No, it uses CMMG's proprietary AR-pattern magazines designed for 7.62x39mm, which are more reliable with the radial delayed blowback system than converted AK mags. You'll need CMMG-branded or Magpul PMAG 7.62x39 magazines—expect to pay $25-$35 per magazine versus $12 for surplus AK metal mags.
- Does it fit in a standard 36-inch rifle case?
- Yes, at 35.5 inches collapsed, it fits most 36-inch soft cases with room for a suppressor or optic. For hard cases, choose a 38-inch interior length if you transport it with the stock extended or with a muzzle device installed.
- How long does shipping take to Montana?
- FFL shipments from Ironclad Armory take 3-5 business days for processing and 2-3 days for transit via UPS Ground. You must email your FFL's license to [email protected] before shipment—delays occur if we can't verify your FFL within 48 hours.
- Can I return it if it has cycling issues?
- Yes, within 30 days for a full refund if unfired, but fired rifles go through CMMG's warranty service first. CMMG typically resolves cycling issues within 10 business days by replacing the extractor or buffer spring—common fixes for steel-case ammo tension problems.