Hatsan Dominator "Tune/Piston Seal Replacement" by Airgun Detectives

This is a instructional video on how to tune and replace the piston seal in a Hatsan Dominator Vortex Carbine, .25 Cal, Under--Lever Air Rifle. We show you the performance before and after the replacement. This features the removal of the "Quatro Trigger" which is featured in the majority of the Hatsan Air Rifles. #staytunedforairgundetectives

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