Spikes Tactical AR-15 SFT50M4 M4 Flat Top Upper Receiver Multi-Caliber 7075 T6 Aluminum Black
Item #11100524MPN SFT50M4UPC 855713006005
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. Caliber: Multi-Caliber Sights: None (Optic Ready) Receiver Description: 7075-T6 Aluminum M4 Receiver Finish: Black