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Author Topic: Black Mamba ChronoGraph..  (Read 1078 times)

Offline crazyhorse

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Black Mamba ChronoGraph..
« on: August 08, 2009, 03:05:48 AM »
Converted Umarex 850 HPA .177....22ci tank..3000 psi fill.....1800 psi regulator...

Chrono this AM with gun pressure at 2000 psi...JSB 10.2 GR...

1. 971.9
2. 956.8
3. 963.8
4. 967.7
5. 961.9
6. 956.6
7. 956.9
8. 959.1

LO: 956.6
HI: 971.9
AVG: 961.7
ES: 15.3
SD: 5.5











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