I understand it is being used as slang. But it was an established term in the industry and has been, as stated, corrupted. I find use of a verb in slang is common and tolerable. But it seems outright contemptuous when a noun.
http://www.jacobsburghistory.com/news/glossary/muzzle-loader-terms-glossary/https://www.dixiegunworks.com/index/page/category/category_id/359/category_chain/350,359/name/Furniture/
Clip is not Magazine.
Extractor is not Ejector.
Furniture is not Stock
I may need to turn down my cringe meter.
Thanks,
John