Spikes Tactical | SFT50M4 | Flat Top Stripped Upper

The Spikes Tactical SFT50M4 is a forged M4-style flat-top stripped upper receiver machined from 7075-T6 aluminum and finished with a Type III hardcoat black anodize. It ships with a forward assist and an ejection port door installed and is intended for AR-platform builders assembling a complete upper. Common applications include custom AR builds for range use and competitive shooting where a durable, mil-spec receiver is required. This stripped upper requires additional components to complete a functioning upper assembly.

Product Specifications

• The manufacturer is Spikes Tactical.
• The model/part number is SFT50M4.
• The receiver is constructed from 7075-T6 aluminum.
• The finish is a Type III hardcoat black anodize.
• The product is supplied as a stripped upper receiver.
• The upper includes a forward assist and ejection port door installed.
• The sights are listed as None, optic ready.
• The color is Black.
• The fitment is for AR rifles / M4 platform.
• The listed caliber/gauge is Multi-Caliber per manufacturer attributes.
• The stripped upper weight is 8.5 oz.
• To complete an upper, this receiver requires a charging handle, barrel, handguard, gas block, muzzle device, gas tube, and BCG.
• The receiver is machined from a Mil-Spec forging.
• The subcategory is Upper Receivers.
• The UPC is 855713006005.

For builders who prioritize a mil-spec foundation, the SFT50M4 provides a robust, forged receiver and a hardcoat finish ready to accept your chosen barrel, handguard, and components. Its configuration and included parts make it a straightforward choice for assembling a durable M4-style upper for range work or competitive use.