The OA Defense 2311 Pro Elite is a semi-automatic 9mm pistol with a 5-inch ported barrel. It has a matte black finish, optics-ready cut, tritium night sights, and an extended magazine release. It ships with three Magpul AMAG magazines (one 21-round and two 17-round). 
 

Key Specifications 

• Brand: OA Defense 
• Model: 2311 Pro Elite 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 21+1 
• Barrel Length: 5 inches 
• Color/Finish: Matte Black 
   

Detailed Features 

• 5-inch ported barrel 
• Optics-ready slide cut 
• Tritium night sights 
• Extended magazine release 
• Enhanced trigger 
• Ships with three Magpul AMAG magazines: one 21-round and two 17-round

Owners of the 2311 Pro Elite cite the ported 5-inch barrel as a standout trait, with many noting reduced muzzle flip during strings of fire. The optics-ready cut and included night sights make it a practical carry or competition candidate straight out of the box.

The enhanced trigger on this model draws consistent praise from shooters who have used other 2011-style platforms; the break and reset are described as competitive without needing aftermarket work. A minority of buyers report the extended mag release takes some adjustment to avoid inadvertent drops during grip shifts.

Value perception is strong given the three-magazine bundle and the overall feature count at the listed price, though some note the OA Defense brand lacks the name recognition of established 2011 makers, which affects resale and secondary-market support.