ATI Milsport AR-15 Stripped Lower Receiver
American Tactical's 7075-T6 aluminum Milsport lower receiver is precision-machined for multi-caliber AR-15 builds. Black anodized finish with proprietary magazine catch and ejector. Requires lower parts kit to complete.
ATI Milsport Stripped Lower Receiver
The American Tactical Milsport represents solid engineering at an accessible price point. This stripped lower receiver is machined from 7075-T6 aircraft-grade aluminum—the same material used in aerospace applications—ensuring durability and dimensional precision.
Key Features
- 7075-T6 Aluminum Construction: Aircraft-grade material provides strength and reliability
- Multi-Caliber Capability: Marked and ready for .22 LR, 5.56 NATO, .223 Remington, .300 Blackout, or 6.8 SPC builds
- Proprietary Magazine Catch Assembly: Includes ejector for reliable operation
- Glock Magazine Compatible: Works with standard Glock-pattern 9mm magazines for versatile ammunition options
- Black Anodized Finish: Durable protective coating
What You Need to Know
This is a stripped lower receiver—it arrives without internal parts. To complete your build, you'll need to source a lower parts kit, buffer tube, and stock separately. Once assembled, it accepts any standard AR-15 upper assembly, giving you flexibility to build exactly the rifle you want.
Whether you're a seasoned builder or starting your first AR platform, the Milsport offers the foundation for a reliable, versatile rifle at a practical price.
Features
- multi-caliber.
- black finish.
- forged aluminum.
- mil-spec.
