The Spike’s Tactical Flat Top Upper Receiver in 9mm is a stripped forged upper designed for building a dedicated 9mm AR-15 pistol caliber carbine.
- Caliber: 9mm
- Type: Stripped Upper Receiver
- Compatible Lower: AR-15 (requires 9mm magazine lower or conversion)
- Material: 7075-T6 Forged Aluminum
- Finish: Black Anodized
- Includes: Upper Receiver Only (no barrel, BCG, CH, or handguard)
- Installation: Requires armorer’s tools and 9mm-specific components
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