Airsoft Tech The man shows a better trick for assembling a gearbox, emphasizing a more precise and stable technique to prevent twisting and misalignment in the replica. His secret is to first seat the gearbox into the upper receiver, then attach the lower receiver, and finally, simultaneously tighten the pistol grip and the stock tube.

According to him, this simple yet brutally effective method improves the assembly's performance and durability. Viewers will learn how to assemble the gearbox without forcing or damaging the casing, correctly align the upper and lower receivers, and use his synchronized tightening technique to avoid twisting.