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Muzzle from WC22 fitted to IM22 barrel
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Shroud adapter secured 6.5 inches from muzzle end to clear valve adjustment knob
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Shroud cap
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It is quieter and best full mag group of 9.6mm shot to date with it on at 25m. No more flyers, not yet anyways. No more of a few other issues as well, so far.
Happy with this setup, my Impact is finally shooting as it should