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7707
RetroArms Delayer Clip for piston gear with a 4mm Axis shaft is ideal for fine-tuning nozzle timing and ensuring proper feeding in assemblies with high rates of fire. The chip is designed exclusively for gears with a 4mm shaft.
SPARMS204
The installation of a delayer on the sector gear allows for an extended period of time for the tappet plate to remain in the rear position. This provides much easier BB feeding at a high rate of fire.