- 7075 Forged Lower
- FIRE/SAFE Engraved
- Broached Magwell
- Threaded Bolt Catch Pin
- Mil-Spec Black Anodize
Machined entirely in house, ZRTS manufactures these forged 7075 lowers to exact tolerances. Each unit starts as a 7075 mil-spec forging. ZRTS machines the units to all Mil-Spec tolerances. Magwell corners are broached. ZRTS lowers include enhanced features such as a threaded bolt catch pin and rear takedown pin detent set screw. These components are included with each lower. Black finish is a Mil-Spec Anodize. MUST SHIP TO AN FFL
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