Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head Shield Handguard for M4 Carbine

The Spike's Tactical ST-15 LE upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement. This same level of quality and performance is now available to everyone, all at a price range that is affordable to shooters of any budget. Each component is manufactured to Mil-spec standards. This model features Spike's Tactical 16" with 1:7 Twist Mil-spec Barrel, M4 Barrel Profile, Carbine Length Gas System, F-marked A2 Front Sight Base, .750" Diameter Gas Seat, Spike's Tactical Mil-Spec M16 Bolt Carrier Group, M4 Double Heat Shield Handguards, and A2 Flash Hider.

Specifications and Features:

• Type: Complete
• Caliber: 5.56x45mm NATO
• Sights: A2 Front
• Barrel Length: 16"
• Twist: 1:7"
• Barrel Description: Chrome Moly
• Barrel Finish: Black Phosphate
• Receiver Finish: Black
• Handguards: M4 Double Head Shield
• Handguard Finish: Black
• Barrel Length Range: 16" to 16.99"