The CZ Bren 2 Enhanced Bolt Catch Lever is a drop-in replacement for the factory "breech release lever". The extended lever allows for easier manipulation of the plastic bolt catch lifter inside the trigger guard. Please see the video below for demonstration and installation instructions.
This part is manufactured from Nylon using a process called Multi Jet Fusion or MJF. The parts are then sandblasted, dyed and shotpeened for a strength and finish that is comparable to injection molded nylon.