12 Gauge Beretta A-300 Extrema, A-400 Extreme, TX4 Storm (only), 8 Shot (Not Unico) Magazine Extension Assembly by Carlson's Choke tubes

Upgrade your Beretta shotgun’s capacity and performance with the Carlson’s Choke Tubes 8-Shot Magazine Extension Assembly, custom-engineered for select 12 gauge Beretta models including the A300 Extrema, A400 Xtreme, and TX4 Storm (Note: Not compatible with A400 Unico models). This extension is perfect for shooters who demand reliable feeding, extended round capacity, and durable field-ready construction.

Crafted from high-quality blued steel, this 8-shot extension adds serious firepower for tactical shooting, waterfowl hunting, or 3-gun competition. Each assembly includes everything needed for easy installation—extension tube, full-length spring, barrel clamp, and follower—to keep you shooting longer without compromise.

Key Features:

• Gauge: 12 Gauge – compatible with Beretta A300 Extrema, A400 Xtreme, TX4 Storm (not for Unico models)

• Capacity: Increases magazine to 8 rounds (8+1 configuration)

• Construction: Blued steel for corrosion resistance and long-term durability

• Complete Kit: Includes extension tube, high-tensile steel spring, barrel clamp, and high-visibility follower

• Quick Installation: Installs easily with no gunsmithing required

• Use Case: Ideal for 3-gun competition, home defense, tactical operations, and high-volume hunting

• Secure Mounting: Barrel clamp stabilizes the extension and reduces wear on the magazine tube

• Made in the USA: Proudly manufactured by Carlson’s Choke Tubes

Enhance your Beretta’s firepower and reliability with the Carlson’s 8-Shot Magazine Extension Assembly—a trusted upgrade for serious shotgun users.