Yankee Hill AR-15 Machine Specter Upper Receiver Assembly Kit 9mm Luger 16" Barrel
- Upper Receiver Type: Mil-Spec 7075-T6 Aluminum YHM Flat Top
- Barrel Length: 16"
- Barrel Contour: Not listed by manufacturer
- Barrel Material: Steel-Melonite Finish
- Muzzle Thread Pattern: Not listed by manufacturer
- Chrome Lined: No
- Barrel Finish: Black Matte
- Twist Rate: 1 in 14"
- Chamber: 9mm Luger
- M4 Feed Ramps: No
- Muzzle Device: Phantom 5C2 Flash Hider
- Gas System Length: N/A-Blowback
- Gas Block Diameter: N/A
- Handguard: Yankee Hill Specter Free Float
- Sights: Yankee Hill Rear and Front Flip Sight
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: 9mm Compatible Carrier
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
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