Super Black Eagle 1, Nova, Super Nova, M-4, M-1, Legacy, Montefeltro prior to 2008. Used for Huglu. https://mullerchokes.com/collections/beretta-waterfowl/products/12-gauge-mobil-beretta-benelli-722-bore-choke-tubes CRIO: 2-3/4” long from gas skirt to top of thread, threads flush ...