if you have an MP5 clone, it is already a SBR and thus, would be permissible to have a K grip attached w/o changing the status of the firearm. if what you're really saying is that you have an SP-89 et al, then yes, you would need to apply
via Form 1 (or have SOT/C2 do this for you).
BATF recognizes and will permit any legal corporate entity as applicant for NFA manuf and transfers. How you do this, or whether it is advisable all boils down to the details, costs, and legal requirements in your state.
via Form 1 (or have SOT/C2 do this for you).
BATF recognizes and will permit any legal corporate entity as applicant for NFA manuf and transfers. How you do this, or whether it is advisable all boils down to the details, costs, and legal requirements in your state.