Crosman 1077 - a better method of testing CO2 rifles

 

testing group size, pellet drop, and consistency of its performace at 15 yards, showing a method i use to make the rifle more predictable and that means shooting pellets until CO2 is gone and then collecting data from the rifles start to finsih, its really the best way to test any air rifle of any kind, but especially CO2 and PCP rifles since you have changes in drop that you may want to know about and what shot numbers give you the flattest shooting