"MP-133 custom plastic forestock with rails (Mechanic LL1 Barter, Jaeger LL2)
MP-133/153 plastic pistol grip (Jaeger LL1)
NcSTAR Tactical blue laser LAM-module (Skier LL1)
GK-02 12ga muzzle brake (Jaeger LL2)
ME Cylinder 12ga muzzle adapter (Jaeger LL1)
Zenit RK-6 tactical foregrip (Skier LL1)"
I went with these without issues