The Gemtech GVAC Upper Group is a complete 5.56mm upper receiver assembly featuring a 16.1-inch barrel.
- Type: Complete AR-15 Upper Receiver Assembly
- Caliber: 5.56mm NATO
- Barrel Length: 16.1 inches
- Gas System: Mid-length
- Compatible With: Standard AR-15 lower receivers (mil-spec)
- Includes: Upper receiver, barrel, handguard, bolt carrier group, charging handle
- Use: Rifle build, upper replacement, general shooting
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