This Carlson’s magazine extension (mfr. part no. 04512) is the 8-shot version built exclusively for the Beretta A-300 Xtrema, A-400 Xtreme, and TX4 Storm.

Key Specifications

• Adds enough capacity for an 8-shot total magazine configuration.
• Fits the Beretta A-300 Xtrema, A-400 Xtreme, and TX4 Storm only.
• Constructed of steel with a blued finish.
• Includes a spring, base clamp, and follower.
• Overall length of approximately 12.15 inches.
• Manufactured by Carlsons Choke Tubes.

Frequently Asked Questions

Will this fit other Beretta shotguns?

No, Carlsons notes this extension fits the A-300 Xtrema, A-400 Xtreme, and TX4 Storm only.

What does the extension include?

A spring, base clamp, and follower for a complete installation.

Buy the Carlson’s Beretta Xtrema Extension

Shop the Carlsons Choke Tubes lineup or browse our full Shotgun Magazines selection to find the right fit for your firearm.