These selections only available on CZ P07 & P09.
 
Tall sights for co-witnessing can be found under SHOP - MISC PRODUCTS/SERVICES.
 
If you have the Holosun EPS or EPS Carry, select the Holosun 407K507K Optic Cut option.
 
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. 
 
If you have the original Vortex  Defender CCW, slect the Shield RMSc cut and put in the notes section at checkout that you have the original Defender CCW. If you have the Defender ST or XL, select the Vortex Defender ST/XL option.