Spike’s Tactical Flat Top Upper Receiver for AR Rifles 9mm – Ejection Port Door, Black (SFT902D)

• 9mm AR upper receiver provides flat top configuration for pistol caliber builds
• Constructed from 7075 T6 material for strength under repeated firing cycles
• Includes integrated shell deflector to redirect spent casings during ejection
• Ejection port door installed to protect internal components from debris exposure
• Black finish maintains uniform appearance across AR platform components
• Compatible with AR rifles configured for 9mm caliber upper receiver assemblies

The Spike’s Tactical Flat Top Upper is an upper receiver designed for assembling AR-pattern rifles chambered in 9mm. This flat top upper receiver features 7075-T6 construction and includes an ejection port door and shell deflector. It is intended for AR rifle builds requiring a 9mm upper receiver.

The Spike’s Tactical Flat Top Upper is finished in black and categorized under upper receivers for AR platforms. It includes an integrated ejection port door and shell deflector as part of the assembly. The 7075-T6 construction provides structural strength consistent with rifle receiver components. In standard configurations, this product is used as the upper housing for 9mm AR builds. The receiver supports installation of compatible barrel and internal components for pistol caliber rifle configurations.