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Rich gives step by step instructions on how to install a GEN 2 Inferno into the SAI GRY M4 rifle with V2 gearbox.
0:20 Introduction
0:40 Disassembly
2:05 Alignment screws
4:50 Trigger and wiring
6:18 Engine installation
6:39 Buffer tube adapter
8:10 Testing
8:30 Alignment
12:27 Testing
#airsoft #wolverineairsoft #inferno #m4