80% Lower Fire/Safe Marked – Anodized Black

Our famous, original forged 80% lower.

It’s the lower trusted by tens of thousands of AR builders. Proudly forged, cut, and anodized in the U.S.A., this 80 percent lower is the key to building your custom AR-15 truly from scratch. This receiver blank features a matte black anodized finish that perfectly matches any upper receiver. Made to fit all standard (Mil-Spec) parts kits, buffer tubes, grips, magazines, and stocks.

80% Lower Specifications

• Compatibility: 5.56/.223, 300 BLK, 6.5 Grendel
• Construction: Forged 7075-T6 Aluminum
• Finish: Type III Hardcoat Anodizing
• Color: Matte Black
• Fitment: 100% Mil-Spec
• Fire/Safe Engraving: Yes
• Features: Broached Magwell
• 100% Made in The USA

Assembling Your 80% Lower

Once your lower is fabricated, it’s time to assemble it. You’ll need the following components:

• Lower Parts Kit
• Buffer Tube Kit
• Upper Assembly