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.
- Barrel Length Range:
- 16" to 16.99"
- Caliber:
- 5.56x45mm NATO
- Handguards:
- M-LOK Free-Float
- Receiver Finish:
- Armor Black
- Handguard Finish:
- Armor Black
- Barrel Length:
- 16.10"
- FireArm:
- No
- Requires FFL:
- False
- Series Description:
- MK4
