CZ 452 Picatinny rails convert the 11 mm receiver dovetail into a universal Picatinny base for modern rings, one-piece mounts, and red dots with Picatinny adapters.
Why add a rail?
Universal interface: easy fit for scopes, micro dots (with bases), and night/thermal devices.
Repeatable zero: cross-slots resist shift and make optic swaps straightforward.
Fit & material
Model-specific: select a rail made for the CZ 452 11 mm dovetail (clamp-on or screw-on, per the maker).
Aluminum vs. steel: aluminum saves weight; steel maximizes rigidity and thread strength.
Yes I have used it ,it's a fantastic replacement part ,it's high quality and fits perfectly, and looks modern compared to the original, and will be indispensable in the winter wearing gloves ,would highly recommend this part.
Kirk Buick.