
CMMG 55A520BAB Dissent BR4 *CA Compliant 223 Rem/5.56 NATO 10+1 16.10″ Black Armor Cerakote Aluminum Receiver, Magpul SGA Stock, Zeroed Drop-In Single Stage Trigger
January 5, 2026
CMMG 55A520BMB Dissent BR4 5.56x45mm 10+1 16.10″ Black Nitride Threaded Barrel, Midnight Bronze Cerakote Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Magpul Fixed Black Polymer Stock
January 5, 2026CMMG 55A520BCT Dissent BR4 *CA Compliant 5.56 NATO 10+1 16.10″ Black Nitride Threaded Barrel, Coyote Tan Cerakote Picatinny Rail Aluminum Receiver, Magpul SGA Black Synthetic Stock
$1,877.87
CMMG 55A520BCT Dissent BR4 *CA Compliant 5.56 NATO 10+1 16.10″ Black Nitride Threaded Barrel, Coyote Tan Cerakote Picatinny Rail Aluminum Receiver, Magpul SGA Black Synthetic Stock
7 in stock
There’s a world of options when it comes to firearms and calibers, and for those who want to reach out to further targets or hunt with 5.56, the 16-inch Br4 chambered in 5.56x45mm is an awesome choice. Despite all the different caliber offerings in the DISSENT lineup, 5.56x45mm still stands as one of the most popular. Equipped with a 16.1″ barrel, this Br4 is one classy carbine. Comes with (2) Magpul 10rd PMAG.
| UPC | 840442500160 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 55A520BCT |
| Capacity | 10 + 1 |
| Barrel Length | 16.10" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Safety | Crossbolt |
| Rate of Twist | 1:7" |


