I want to say this is fixed in v10.30 but let me check.
This thread was added on September 04, 2019, with posts from DanDaDaDanDan, FreightTrainUSA.
Original Post
https://v.redd.it/6cbcy7sb0nk31
Hey folks, just want to let you all know that this issue is being tracked on our Trello board here https://trello.com/c/1JgV6NQ9/921-weapon-continuously-fires-after-placing-a-trap and is set to be fixed in v10.30