If you own a Beretta A300 Ultima 20 gauge, knowing how to properly breakdown, clean, and reassemble it is essential for reliability in the field.

In this Mossy Oak how-to guide, Jon Tatum walks you through a complete step-by-step breakdown of the Beretta A300 Ultima, including:

• Verifying the firearm is unloaded,
• Removing the barrel
• Gas system removal
• Trigger assembly removal
• Bolt assembly breakdown
• And (most importantly) safely putting it all back together.

Whether you're maintaining your shotgun after waterfowl season, prepping for turkey season, or simply learning your firearm inside and out, this detailed walkthrough covers every critical step. Jon also highlights key reassembly checkpoints to ensure proper function before heading back to the range or blind.

At Mossy Oak, we believe knowing the inner workings of your firearm makes you more efficient in the blind and more effective in the field.
So, we hope this guide helps protect your investment and keeps your shotgun running reliably for years to come.