Butt is mounted by massive bolt inside.
JBH 54
Technical Specifications
Overall Lenght 366 mm
Manufacturer OPK Hranice
Barrel Lenght 170 mm Type piston with cocking lever
Sight Radius 140 mm Manufactured Pieces ~ 4 000
Weight 1,4 kg Production Period 1954-1956

Rear Sight Side View
Rear Sight Top View
Front Sight
Trigger and Trigger Guard

Repeater based on the same principle, as airgun Vz47 with gravity funnel and underbarrel cocking lever. Only first several pieces have been manufactured with wooden grip.