AR-15 80% 5.56 NATO 16" Rifle Build Kit with Quad Rail Upper

Build a premium AR-15 from the ground up with the AR-15 80% 5.56 NATO 16" Rifle Build Kit, available from Tactical Machining. This complete package includes all the high-quality components you need to complete your rifle at home, eliminating the guesswork and ensuring a smooth, reliable build process.

Featuring a Tactical Machining 7075 forged 80% lower, a factory-assembled DPMS upper, and premium mil-spec components, this kit delivers exceptional strength, performance, and compatibility—perfect for both first-time builders and experienced enthusiasts.

Key Features

• Complete AR-15 Build Kit: Includes all major components needed to assemble a 16" AR-15 rifle.
• Factory-Assembled Upper: DPMS 16" 5.56 upper with quad rail handguard, BCG, and charging handle included.
• 7075 Forged Lower: Tactical Machining 80% forged lower receiver offers maximum strength and long-term durability.
• Mil-Spec Quality: Components are built to military specifications for reliable performance and seamless compatibility.
• Enhanced Customization: Ready for future upgrades with standard AR-15 components and accessories.

What's Included

Upper Assembly
- DPMS 16" 5.56 NATO barrel with 1:7 twist, M4 barrel extension, and nitride-treated finish
- Carbine gas system
- Low-profile gas block and A2 flash hider
- 13" Panther Quad Rail Handguard
- Forged 7075-T6 aluminum A3 upper receiver
- DPMS Black Nitride 5.56 Bolt Carrier Group
- DPMS Mil-Spec Charging Handle

Lower Components
- Tactical Machining 7075 Forged AR-15 80% Lower Receiver
- Mil-Spec Stock
- Smith Defense 3oz 6-Position Carbine Buffer Tube Kit
- Smith Defense AR-15 Lower Parts Kit

Specifications

• Barrel Length: 16"
• Barrel Material: 4150V Chrome Moly Vanadium Steel
• Finish: Nitride Treated
• Chamber: 5.56 NATO
• Twist Rate: 1:7
• Feed Ramps: M4
• Gas System: Carbine
• Handguard: 13" Panther Quad Rail
• Receiver Material: Forged 7075-T6 Aluminum
• BCG Material: Carpenter 158 Steel
• BCG Profile: Full Auto

Details

The DPMS 16" 5.56 upper is built to handle any mission, with a nitride-treated barrel for enhanced accuracy and corrosion resistance. The exclusive Panther quad rail handguard offers plenty of space for accessories and optics, while the Tactical Machining 7075 forged lower provides a rugged foundation for your rifle. Each upper is assembled to order, test-fired, and shipped sealed from the factory for reliability and performance.

For support related to the upper receiver, please contact DPMS directly.

Compliance Notice

This kit contains an 80% lower receiver and other non-serialized firearm components. Under California law, this product is or contains an unserialized “firearm precursor part” and cannot be sold into the State of California. Orders for shipment to California or residents of California cannot be accepted.

This item is also restricted from shipping to: California, Connecticut, New Jersey, New York, Washington D.C., Washington, Hawaii, Colorado, Philadelphia, York, and Reading (PA), Maryland, Massachusetts, Nevada, Illinois, and Rhode Island. Always check and comply with all federal, state, and local laws before purchasing or assembling firearm components.