Palmetto State Armory offers a few variations of 9mm firearms under the PX9 and PA-9 (AR-15 platform) lines. Specs for the common PSA PX9 9mm Pistol (featuring an AR-style build with a stabilizing brace) include: 
  • Caliber: 9mm Luger (9x19)
  • Action: Semi-automatic (blowback system)
  • Barrel Length: 4 inches (Heavy profile, Chrome Moly Vanadium with Nitride finish)
  • Thread Pitch: 1/2 × 28 TPI
  • Lower Receiver: Forged 7075-T6 Aluminum (Hard Coat Anodized)
  • Upper Receiver: Billet 7075-T6 Aluminum (Slick Side)
  • Handguard: 5-inch Lightweight Hex (M-Lok, Free Float)
  • Trigger: PSA Enhanced Polished Trigger (EPT)
  • Grip: Magpul MOE (Black)
  • Brace: Adjustable Pistol Stabilizing Blade (e.g., H&R HAR-15)
  • Overall Length: 20.5 inches (retracted) / 24 inches (extended)
  • Magazine: Compatible with Glock-style magazines (ships with a 27 or 33-round Magpul PMAG