I use the spring-loaded split units as per your Reloaders link above on all my CZ's. I purchased a range of them 5-6 years ago from ali-express, with different lengths. I use a long, full length unit on my PARD's. Simple, low height, relies on the rings creating the clamping force (takes one extra set of clamps/screws out of the system). Never had an issue with them and can highly recommend them.
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