Palmetto State Armory (PSA) AR-15 Lower Receiver with "M4 CARBINE" Rollmark - Forged 7075-T6
The PSA AR-15 lower receiver with "M4 CARBINE" rollmark is a forged 7075-T6 aluminum lower with a black hardcoat anodized finish and CAL. 5.56MM marking (Property of U.S. Govt style). Selector markings are "SAFE / SEMI / BURST" to match the M4 Carbine-style rollmark set.
This partially built lower includes an installed receiver extension (buffer tube), trigger, A2-style pistol grip, and safety selector.



