The PB-3 platform is a quick release platform designed to mount the "Vzor-5" collimator dot on a Picatinny rail.
This platform is in the kit  of Vzor-5 red dot.
To increase the height of the platform, it is recommended to use the "Vzor-5" spacer (purchased separately).

 Depending on the platform you are using with the red dot sight in various configurations, the height of the optical axis can be:
(separate platform PB-3 or PB-3 + Vzor-5 spacer):

· On the PB-3 platform: 30 mm. above the top of the Picatinny rail;

· On the PB-3 platform with Vzor-5 spacer (purchased separately): 39 mm. above the top of the Picatinny rail.

 Dimensions: 58х40х13 ± 5 mm
 
 Weight: 36 ± 5г

In the kit:

PB-3 Platform	1 pc.
Mounting screws	4 pcs.