Carlsons Beretta A-300 Xtrema/A-400 Xtreme Magazine Extension

CARLSON'S 12 GA. MAGAZINE EXTENSION ASSEMBLIESa For Beretta A-300 Extrema A-400 Extreme TX4 Storm (only) 8 Shota Blued solid steel material a Includes threaded tube spring base clamp & high visibility follower a Threaded tube replaces the mag. cap & gives you the ability to add extra rounds to your mag. a Easy to follow instructions included