S sixgunnin New member Nov 28, 2017 #1 How much velocity drop is there between an actual 12 ga barrel and a 3/4 inch pipe? Beings there is no chamber the wad is going to be pretty loose in a 3/4 inch pipe. Anyone done any velocity tests?
How much velocity drop is there between an actual 12 ga barrel and a 3/4 inch pipe? Beings there is no chamber the wad is going to be pretty loose in a 3/4 inch pipe. Anyone done any velocity tests?
B Bill DeShivs New member Nov 28, 2017 #2 I doubt anyone who has a 12 ga. zip gun, doesn't have a chronograph......
S sixgunnin New member Nov 29, 2017 #3 Just wondering if its worth building one. Maybe no one has one that can legally have real firearms?