Hello
and welcome on your first posting

https://www.merkel-die-jagd.de/wp-content/uploads/2018/02/Instruction-manual-B3-B4-Englisch.pdf

Review 2.3.2

I would think that a disassembly and good cleaning would rid the gun of manufacturing residue and allow
the de-cocking to function again

Mike

Last edited by skeettx; 08/09/21 09:26 PM.

USAF RET 1971-95 [Linked Image from jpgbox.com]