Can someone let me know if I'm legal? I have an Colt AR15 HBAR I purchased in 1989 and registered it with the CA DOJ in 1990, when AWs were required to be registered. I would like to replace the upper with a new M4 configured upper (16" barrel, flash supressor), and replace the fixed stock with a collapseable stock. The original receiver will still be used. I also have a Colt CAR15 I purchased and registered at the same time, so I know it is legal to have a collapseable stock on a pre-ban AW. I need to know if it is ok to do so to my 20" fixed stock AR15? Common sense tells me that since my AR is a pre-ban and registered as such, changing the config should be ok. But since this is CA, you never know.
Thanks
Thanks

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