How to make a spring that compresses along with the assembly?

Hey, trying to make a video of how the assembly works and I have a barrel, which has a spring inside that compresses when an internal block is inserted.
How to make it so the spring compresses compared to either being fully defined or cliping through the insertable block?

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4 Answers

I would make different configurations for each length that you need to show in your assembly.

 
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The only spring I can get too work properly has been a leaf spring.

 
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