Designed for steady, repeatable performance in varied environments, the Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head Shield Handguard for M4 Carbine emphasizes functional reliability and straightforward operation.

The Spike's Tactical ST-15 LE upper line-up is ideal for range training and recreational shooting, offering Mil-spec compliance and affordability. Spike's Tactical is renowned for its commitment to quality and innovation.

Key Features:

• Manufacturer: Spikes Tactical
• Model: STU5025M4S
• Caliber: 223 Remington/5.56 NATO
• Condition: New
• Action: Complete Gas Impingement
• Finish Color: Black
• Barrel Length: 16"
• Number of Magazines: N/A
• Capacity: N/A
• Optic Footprint: N/A
• Unique Features: M4 Barrel Profile, Carbine Length Gas System, F-marked A2 Front Sight Base, .750" Diameter Gas Seat, Mil-Spec M16 Bolt Carrier Group, M4 Double Heat Shield Handguards, A2 Flash Hider
• Night Sights: No
• External Safety: No
• Threaded Barrel: No
• What's In The Box: N/A
• Weight: N/A
• Length: N/A
• Width: N/A

Key Features:

• Manufacturer: Spike's Tactical
• Model: STU5025M4S
• Caliber: 5.56x45mm NATO
• Material: 7075-T6 Aluminum
• Finish: Black