Despite being similar in appearance, the SB Tactical version has slightly different dimensions that prevent them from being compatible.
The Maxim Defense Industries CQB Extended Cheek Weld Buttstock full extended is 10" long.
This stock is compatible with CQB Gen 6 and PDW
The Maxim Defense Industries CQB Extended Cheek Weld Buttstock fits the Maxim Defense CQB Gen 6 and PDW. You must have either or in order use this buttstock.
The Maxim Defense Industries CQB Extended Cheek Weld Buttstock only works with the Maxim Defense buffer tube assembly.
This stock is compatible with CQB Gen 6 and PDW
No, this is not compatible with the Noreen ULR.
Yes, this will work with the CQB brace assembly.
Unfortunately Maxim Defense has not provided that information. We recommend contacting them directly, they should be able to provide you with that information. You can reach them here: https://www.maximdefense.com/contact-us/
This will not work properly with the SCW housing, you would need the SCW stock instead: https://www.opticsplanet.com/maxim-defense-industries-scw-acc-gen-7-buttstock-assembly.html