Lower: PSA 9mm Billet Complete Magpul Orgional Equipment (MOE) Lower designed to use Glock®-style magazines with Mil-spec Matte Finish.  

Barrel: This Chrome Moly vanadium 4150V barrel is chambered in 9mm (9x19)  with a 1:10" twist.  It is Nitride coated for accuracy and durability, and is finished off with a . PSA 13.5" anodized M-Lok free float rail, and an A2 Style Birdcage Flash Hider.
Upper: The forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt Carrier Group: For 9mm AR15.   Phosphate coated, 8620 steel, G-9 Hybrid Bolt allows use with either Glock®;-style, or Colt®-style magazine, Palmetto State Armory Lowers.