This is question for those that own original unaltered Model 21s with single trigger. Would you please check your trigger with barrels closed and hammers down [fired position]? Can you feel any free travel when pulling back on the trigger before it contacts whichever sear the selector is set for - right or left? If you feel free travel about how much in terms of trigger movement? Some thing like 1/16", 1/8" etc.. Thanks to you for yiur time and replies.