Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.
Receiver Finish: Armor Black
Caliber: 5.56x45mm NATO
Barrel Length: 16.10"
Handguards: M-LOK Free-Float
Handguard Finish: Armor Black
Barrel Length Range: 16" to 16.99"
Receiver Finish: Armor Black
Caliber: 5.56x45mm NATO
Barrel Length: 16.10"
Handguards: M-LOK Free-Float
Handguard Finish: Armor Black
Barrel Length Range: 16" to 16.99"
