5.56/.223 Scout Piston Upper Specs:
- CORE® Lifetime Warranty
- M4 Style Carbine Handguard
- Standard Bird Cage Flash Hider
- CORE® / Adams Arms Piston BCG
- 16" 1:8 Twist 4150 Black Nitride Govt. Profile Barrel
- Carbine Length Piston System
- CORE® 7075-T6 Aluminum Forged Mil-Spec upper receiver
- CORE® Billet Charging Handle