Mach Sakai reviews the latest member of Tokyo Marui's award-winning HK416 new generation blowback and recoil AEG series, the HK416C. This is the compact version that comes with two ways of powering the AEG, via a PEQ box which you can connect via wire in the handguard by removing a portion of the side rail, and via the magazine. Find out what he thinks about these methods (in Japanese).