The OA Defense 2311 Compact Pro Elite is a compact, single-action semi-automatic pistol chambered in 9mm Luger. It has a 4.25-inch ported barrel, an aluminum alloy frame, and a stainless steel slide finished in black. The slide is optic-ready and RMR-cut, and the pistol ships with both 17-round and 21-round magazines. 
 

Key Specifications 

• Brand: OA Defense 
• Model: 2311 Compact Pro Elite 
• Caliber: 9mm Luger 
• Action: Single Action 
• Capacity: 17+1 / 21+1 
• Barrel Length: 4.25" 
• Finish: Black 
• Material: Aluminum Alloy Frame, Stainless Steel Slide 
   

Detailed Features 

• Ported 4.25-inch barrel is designed to help manage muzzle rise during rapid follow-up shots. 
• Optic-ready slide is cut for red dot mounting and backed by a Dawson Precision fixed rear sight with a fiber optic front sight. 
• Fully ambidextrous controls, including a manual safety, operate from either side of the frame. 
• Aluminum grip module and stainless steel slide pair with the alloy frame for a rigid, compact platform. 
• Ships with a 17-round standard magazine and a 21-round extended magazine for flexibility in grip length.

The 2311 platform has picked up a following among shooters who like the double-stack capacity of a 2011 without stepping up to a full-size gun, and the Compact Pro Elite is aimed squarely at that crowd. Owners generally describe the fit between the aluminum frame and stainless slide as tight, with a trigger that many say breaks cleaner than most striker-fired compacts in the same price range.

Being a compact 2311, the pistol is easier to conceal than a full-size double-stack, though the grip is still noticeably wider than a typical polymer compact. Shooters who carry it daily tend to like having both a shorter 17-round magazine for concealment and a longer 21-round magazine for range or home use with the same gun.

The ported barrel gets mixed feedback: some owners like the reduced muzzle flip for faster follow-up shots, while others would rather have a non-ported barrel for indoor range use. Aftermarket support for 2311-pattern pistols has grown quickly, so most owners find holsters, sights, and spare magazines easier to source than they expected.