Discover the best gun deal at Palmetto State Armory with the PA-15 multi-caliber AR-15 forged aluminum lower receiver, featuring a classic gray grip and stock, now just $99.99. Perfect for building your custom rifle, and don't miss our discount on accessories to complete your setup! Y'all, check this out. Palmetto State Armory's got their PA-15, multi-caliber AR-15 with a classic gray grip and stock for just $99.99. Ain't nothin' fancy, just a good ol' forged aluminum rifle lower.