The only adapter I have is the #A25 for .30 and lower career.https://donnyfl.com/products/sumatra-2500-1-2-x-20-unf-adapter-a252?_pos=1&_sid=1d2214efc&_ss=rThis adapter 5/8x18 #A42 will be the one for the Career 707 .357.https://donnyfl.com/products/sam-yang-m18x1-adapter-a26?_pos=1&_sid=030e9264e&_ss=r&variant=12400277520427