VFC’s MO5 Before 2021 BOLT Compatible with General G3, HK33/53, MP5 AEG/GBB ==>shim-ming is required Tokyo Marui STD AEG :G3 SAS , MC51 , G3/SG-1 , MP5=>Shimming is Required Tokyo Marui Next Gen AEG :nMP5(Up-side down the fixing block)=>shim-ming is required
