The Beretta A400 Xtreme Plus Camo Max5 is hunting single barrel uses -as a first- a Steelium Plus barrel, normally used in the top layers of sport shooting. This barrel features and extended forcing cone, reducing gradually from cartridge width to actual barrel size over a length of 360 mm, which is a lot longer than the conventional used forcing cone. The reason forcing cones are normally shorter, is the technical difficulty that lies in machining a longer cone, making this Beretta barrel relatively unique. The much longer cone results in a more consistent and constant pattern, but also produces less recoil and less muzzle rise.

The further reduce the recoil, the stock of the Beretta A400 Xtreme Plus Camo Max5 has three dampening areas. The Soft Comb reduces the recoil felt at the check, while the Kick-Off Mega spacer lessens the impact on the shoulder and the Kick-Off 3 pistol grip inlay protects the hand.

An extra large charging handle and bolt release make reloading a breeze and the safety can be reversed for left hand shooters. . Besides the standard bead on the end of the rib, the Beretta A400 Xtreme Plus Camo Max5 also features a steel mid bead.