Quote:
Originally Posted by ZackTheRipperC
What was the ambient temperature when you chronoed it the first time and then the second time? If you were doing it outdoors both times and it was much colder the first time you tested it, and warmer the second time you tested it, this maybe be why. A big "maybe".
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No I have my chrono set up indoors and have done every test from indoors. At first I thought it may have been just the temperature of the propane from the trip from walmart to home (but thats only about 5 min). I am thinking that as a gbb noob I filled the mag too full because at the beginning I was seeing some propane shoot out of the ejection port on my first few shots. But I chronoed 2 mags straight so even when the mag was only filled up about half with the propane it was still shooting sub 300fps. It has been rising over the past 2 weeks and seems to have settled around the 215 - 225 mark.