the original MCR120 was a re-named BIP (the later version)
the present MCRxxx-QP series are a Swiftech design produced under contract
other than the materials - copper, brass, and solder - there is little in common with the HW Labs products
the HW Labs rads are good products, one does not appreciate how good until one attempts to make a better rad
this has been a 9 month project to 'get it right'