ATI Milsport Complete Upper 5.56 NATO 7.5" Black

ATI Milsport Complete Upper Receiver Assembly

The ATI Milsport complete upper is a ready-to-use upper receiver assembly designed for shooters who want quality components without the assembly hassle. This is a true plug-and-play solution—simply mate it to your lower receiver and you're ready to shoot.

Key Features

• Barrel: 7.5" 5.56 NATO with 1:8 twist rate for reliable bullet stabilization across a wide range of ammunition weights
• Handguard: 7" M-LOK rail system provides ample real estate for mounting optics, lights, and other tactical accessories
• Muzzle Device: A2 flash hider helps reduce visible muzzle flash signature
• Bolt Carrier Group: Included and ready to function
• Charging Handle: Installed and functional
• Finish: Black nitride barrel for corrosion resistance and durability

Why Choose This Upper

The Milsport line represents ATI's commitment to delivering solid, no-nonsense AR-15 components at a fair price. The 7.5" barrel length makes this upper ideal for close-quarters work, home defense, or compact shooting platforms. The 1:8 twist is a versatile choice that handles everything from lighter 55-grain rounds to heavier 77-grain ammunition with equal competence.

The M-LOK handguard is modern, lightweight, and gives you plenty of options for customization. Whether you're building your first AR or adding to an existing collection, this complete upper delivers value and reliability.