Spikes SFT50M4 M4 Flat Top Upper Receiver Multi-Caliber 7075 T6 Aluminum Black
The Spike's Tactical M4 flat top upper receiver is machined from a Mil-Spec 7075 T6 Aluminum forging with a durable Type III Hardcoat Anodized finish that also features laser engraved T-Markings, M4 feed ramps cut into the receiver before Anodizing to avoid future reliability issues, and finished with the Spike's Tactical spider logo. A forward assist and ejection port door cover are also already installed in the upper.
Sights: None (Optic Ready)
Receiver Description: 7075-T6 Aluminum M4
Receiver Finish: Black
Mfg Number: SFT50M4
Model: Upper Receiver
Series: Forged M4 Flat Top