The OA Defense 2311 Pro Elite is a semi-automatic pistol chambered in 9mm with a 5-inch ported barrel. It ships as a full kit with five magazines (three 21-round and two 17-round Magpul AMAGs), tritium night sights, and a slide with an RMR-cut optics-ready window. The finish is Black. 
 

Key Specifications 

• Brand: OA Defense 
• Model: 2311 Pro Elite 
• Caliber: 9mm 
• Action: Semi Auto 
• Barrel Length: 5 in 
• Capacity: 21rd / 17rd (5 magazines included) 
• Color/Finish: Black 
   

Detailed Features 

• 5-inch ported barrel for muzzle rise reduction 
• RMR-cut slide for direct optic mounting 
• Tritium night sights installed 
• Five Magpul AMAG magazines included (3x21rd, 2x17rd) 
• 2311-pattern full-size frame

Owners of the OA Defense 2311 Pro Elite appreciate that it ships as a complete kit. Getting five magazines, tritium night sights, and an optics-ready slide in one package is considered exceptional value at this tier, and most buyers say it reduces the immediate spend on accessories.

The ported barrel and 2311-pattern frame draw a specific audience. Shooters used to 2011-style pistols find the ergonomics familiar, and the porting gets credit for keeping the muzzle flat under fast fire. The trigger is generally well received, though a small group of owners prefer to swap it for a lighter aftermarket option after break-in.

The OA Defense brand is less established than legacy 2011 makers, and that generates some initial skepticism. Most owners report that the pistol performs well through the first range sessions, but a few note that customer service responsiveness is hard to gauge since the brand is newer. The Pro Elite packaging with the full magazine complement goes a long way toward winning over doubtful buyers.