Sale
CORE® M4 TAC PISTON UPPER .223/5.56
CORE
$729.99
$589.99
5.56/.223 M4 TAC Piston Upper Specs:
- CORE® Lifetime Warranty
- ERGO Z Quad Rail
- 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