Has anyone here tried to put this spring in a Nitefinder? I put it in mine, which already had a removed air restrictor, and then put a piece of foam padding on the plunger rod end. Afterwards, performance seems good, but it's hard to tell, because I couldn't do a good outdoor test, being as it was windy when I made it.  

The theta AI (talk) 17:50, March 7, 2017 (UTC)Theta

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