hi i want to upgrade my external parts of my marui hi capa 5.1 government model , so i bought parts ;
1. SD metal slide 5"
2. SD metal frame 5"
3. SD 5" steel outer barrel straight , although i preffered the SD V12 version but i doubt its compability with other parts related
4. SD metal chamber ( for this parts , do i really need to change it ? the stock parts seems reliable for me )
5. SD POM Cylinder Set marui Hi Capa ( is this the right parts ? )
so , what do i miss ??
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