The Beretta A300 Ultima KO is a semi-automatic shotgun chambered in 12 Gauge with a 28-inch vent rib barrel and a 3-inch chamber. It has a 3-round capacity, an aluminum receiver that is drilled and tapped, and the Kick-Off recoil reduction system. Stock and forend wear Mossy Oak Bottomland synthetic material. 
 

Key Specifications 

• Brand: Beretta 
• Model: A300 Ultima KO 
• Caliber: 12 Gauge 
• Action: Semi Auto 
• Capacity: 3 rounds 
• Barrel Length: 28 inches 
• Color/Finish: Mossy Oak Bottomland 
   

Detailed Features 

• 3-inch chamber with 28-inch vent rib barrel 
• Kick-Off recoil reduction system 
• Aluminum receiver, drilled and tapped 
• Mossy Oak Bottomland synthetic stock 
• 3-round capacity

The A300 Ultima KO in 12 Gauge Mossy Oak Bottomland draws consistent praise from waterfowl hunters who value the Kick-Off system during long days in the blind. The Bottomland pattern holds up in timber and wetland environments, and the synthetic stock handles wet conditions without complaint. Reliability across a broad range of field loads is the most common compliment.

The drilled and tapped aluminum receiver is appreciated by hunters who want to add a red dot or low-power optic without modification. The 28-inch vent rib barrel balances swing-through well on birds. The trigger is acceptable but not refined, which is a recurring note from more experienced shotgunners.

At its price point, the A300 Ultima KO delivers a package that most 12 Gauge field shooters find hard to fault on function. The 3-round capacity is the legal maximum for most migratory bird hunting situations. Some buyers note that parts availability outside Beretta-authorized shops can be slower than with domestic alternatives.