The Maxim Defense Industries SCW Acc Gen 7 Buttstock Assembly is considered a stock. So if you have an SBR Daniel Defense PDW the Maxim Defense Industries SCW Acc Gen 7 Buttstock Assembly can be used. If you have a PDW pistol with a brace the Maxim Defense Industries SCW Acc Gen 7 Buttstock Assembly cannot be used. You will need to follow the ATF regulations regarding AR Pistols.
I have the sb tactical pdw and I’m making an sbr just asking if this brand stock piece will fit that