Scale Aircraft Conversions has released a set of white-metal front and rear main gear for the Academy CH-46 in 1/48 scale. The set includes three parts, a front gear strut and two main rear struts. These three parts are direct replacements for kit parts A-18, B20(r), and B21(l).
There are two deficiencies in the kit gear that are alleviated by the SAC replacements. First my kit gear had a pin hole in one of the rear supports with significant shrinkage around it. The kit front gear had a large pin ejector mark prominently in the middle of the piece. Replacing with the SAC gear eliminated having to deal with these issues.