Would this work on a Marauder pistol BP2220? If not could you recommend an open sight that would?
No, it will not.
Will a pass through barrel band be needed to accommodate for added length of new breech with stock barrel?
what scope mounts work with this kit ?
Regular dovetail 3/8 of an inch .
Would this work on a Crosman/Benjamin 392 or HB22 pistol?
Not made for those per description ?
does this kit come with bolt and probe?