The LKCI Omega AR-12 is a semi-automatic 12-gauge shotgun with an AR-style layout, a 20.7-inch 4140 steel barrel, and a matte black finish. It ships with two detachable box magazines. 
 

Key Specifications 

• Manufacturer: LKCI 
• Model: Omega AR-12 
• Action Type: Semi Automatic 
• Caliber: 12 Gauge 
• Chamber: 3 inches 
• Barrel Length: 20.7 inches (4140 Steel) 
• Overall Length: 40.55 inches 
• Weight: 7.5 lbs. 
• Capacity: 5 rounds +1 (two detachable magazines included) 
• Finish: Black matte 
   

Detailed Features 

The 4140 steel barrel handles repeated firing without issue. Flip-up front and rear sights give you a quick sight picture and fold flat when not in use. The semi-automatic action cycles each round without manual cycling, which suits fast target strings. Two magazines are included in the box. The 3-inch chamber handles standard and magnum shells up to that length.

Discussion around the LKCI Omega AR-12 splits fairly predictably between people who appreciate its AR-12 format and value pricing and those who have run into reliability issues.

On the positive side, owners like the tactical look and the semi-auto action for range and sport shooting use. Affordability compared to other semi-auto shotguns comes up often — it's seen as a way to get into the format without a large outlay. Versatility gets a mention from users who run it for both range days and home defense.

The common criticisms are cycling reliability, particularly with budget or low-brass ammunition, and questions about long-term durability under heavy use. Weight at 7.5 lbs. is occasionally mentioned. Community threads often include maintenance tips and ammo recommendations — feeding it quality ammo consistently seems to reduce the cycling complaints.