Question: what is a 6mm dasher?
Answer: The 6mm Dasher uses 6mm BR brass as the base brass. Making the 6mm Dasher is easy and involves loading up 6mm BR brass and fire forming it in a 6mm Dasher chamber (the fire forming loads can also be very accurate). ... The 6mm Dasher has the capability to easily push the 105-108 gr. 6mm bullets up in the 3000 fps range.