Spikes complete upper assemblies will arrive to you inspected" tested" and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper and complete gun is test fired before leaving Spikes facility for function check before it reaches you.
Features:
- Forged Upper Receiver
- 16" M4 Profile Barrel
- Phosphate M16 Complete BCG
- A2 Front Sight Base Pinned
Specifications:
- Barrel Length: 16"
- Caliber: 223 Remington
- Caliber: 556NATO
- Color: Black
- Description: Flat Top
- Fit: AR Rifles
- Manufacturer Part #: STU5025-M4S
- Model: LE
- Sights: A2 Front
- Subcategory: Complete Upper Receivers
- Type: Upper
- Type of Barrel: 1:7