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Palmetto State Armory
Overview
The PSA PX9 Forged Complete Lower features a robust design specifically engineered for the AR-9 platform, making it an ideal choice for building a 9mm firearm. Constructed from 7075-T6 aluminum with a hardcoat anodized finish, this lower receiver combines durability with a lightweight profile, ensuring reliable performance under various conditions. With a trigger pin diameter of .154, it is compatible with standard AR-15 components, making it a versatile option for builders focused on 9mm configurations.
PSA PX9 Forged Complete Lower Classic HAR-15 Brace, Black
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Builders on GunPartPicker first added the PSA PX9 Forged Complete Lower Classic HAR-15 Brace, Black to a build in February 2026.
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