VOLQUARTSEN tuning/replacement part for rifle trigger for Ruger 10/22 with housing 1,110 g black trigger

RUGER 10/22 TG2000 /BLACK complete trigger system in VOLQUARTSEN aluminum trigger housing, black precisely manufactured trigger parts fixed trigger weight 1100g - NOT adjustable pre-travel and the trigger stop adjustable complete with VOLQUARTSEN 'open-hold' function enlarged magazine holder, ambidextrous NOT compatible with RUGER 10/22 left-hand versions