Black Widow Baffle Compatible with the following Black Widow silencers - 230SS SN30R 300SS SN35R 400SS 400SR BN23V BN30R 300BS BN35R BN40R BN40V 300CS CN35R 400CS SPECIFICATION Diameter : 49mm ( where baffle is fixed in place ) length : 147mm. Body type : Angled. Bolt and Washer included.