The Competition Pro Trigger assembly is compatible with most variations of Beretta's 1301 an A400 shotguns. It features metal trigger and a black trigger guard, and utilizes a new shell carrier design. The carrier remains lifted during the reloading process to promote faster loading, enable quad-loading, and also helps the operator avoid "thumb bites".Compatible with the Following Shotguns with 3.5" Chambers: A400 UtraliteA400 Xplor NovatorA400 Xplor LightA400 Xplor ActionA400 Xcel SportingA400 Xcel Parallel TargetA400 LiteA400 UplandNOTE: This trigger will NOT fit shotguns with 3" chambers. Beretta A400/1301 Competition Pro Trigger Assembly C8E735