These selections only available on CZ P07 & P09.
 
Tall sights for co-witnessing can be found under SHOP - MISC PRODUCTS/SERVICES.
 
If you have a Trijicon SRO, choose the Trijicon RMR cut.
If you have a Holosun 508T, choose the Holosun 507/407 cut.

If added, the new rear dovetail is for a Glock style rear sight. 
 
If you have a Roemo 1 PRO, select the Deltapoint Pro cut. The Romeo 1 and Romeo 1 Pro are not the same.