Butt is mounted by massive bolt inside.
Stella 519
Technical Specifications
Overall Lenght 930 mm
Manufacturer Kotek Krnsko
Barrel Lenght 370 mm Type piston with break barrel
Sight Radius 350 mm Manufactured Pieces not available
Weight 1,65 kg Production Period 193x-195x
Caliber 4,5 mm

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

Stella 519 manufactured during the WW2 in accordance with markings Made in Bohemia-Germany. A little bit biger than Stella 518, better barrel design. Manufacturing number 3934 is on the  lower part of the stock.  Additional marking CAL 4/5mm (177) is on the upper side of the barrel.