CMMG Dissent MK4 Upper Group 5.56 6.5" - 55B9331HCA

This is an AR-15 upper receiver group featuring a 6.5" barrel in 5.56mm NATO caliber, designed as one of the shortest available options in this caliber. The assembly includes a forward non-reciprocating side charger for off-target weapon manipulation, an M-LOK handguard with integrated top Picatinny rail for accessory mounting, and is available in seven Cerakote finish options.