Rob Roberts A400 RR Custom Xtreme Plus 12 Gauge Shotgun, 26-Inch

The Rob Roberts A400 RR Custom Xtreme Plus in 12 gauge (brand part no. 000522RR) is a semi-automatic shotgun built on Beretta’s A400 Xtreme Plus platform with a 26-inch vent rib steel barrel and a 3.5-inch magnum chamber, upgraded by a dedicated custom shop rather than sold as a stock Beretta configuration. Rob Roberts Customs builds this DC Bayou Deview waterfowl edition on an Optima HP aluminum receiver with a synthetic stock for a right-hand shooter. Among semi-auto shotguns in the semi-auto shotguns category, this Custom Xtreme Plus favors serious waterfowl hunters who want a purpose-tuned build beyond the factory configuration.

Key Specifications

• Chambered in 12 gauge with a 3.5-inch magnum chamber.
• Features a 26-inch vent rib steel barrel.
• Feeds from a magazine with a 2+1 capacity.
• Equipped with a bead front sight.
• Uses a crossbolt safety.
• Built on an Optima HP aluminum receiver.
• Stocked in synthetic, set up for a right-hand shooter.
• Operates as a semi-automatic shotgun on Beretta’s Steelium Plus barrel technology.
• Includes factory chokes plus three Rob Roberts chokes.

Frequently Asked Questions

Is this a factory Beretta configuration? No — it’s a Beretta A400 Xtreme Plus platform built and finished by Rob Roberts Customs, a dedicated custom shop.

What chamber does this shotgun use? A 3.5-inch magnum chamber for full-power waterfowl loads.

Buy the Rob Roberts A400 RR Custom Xtreme Plus

A purpose-tuned build beyond the factory configuration is exactly what this Custom Xtreme Plus delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.