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Old 07-12-2018, 05:32 PM
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Erich Erich is offline
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Join Date: Jan 2003
Location: High Desert of NM, USA
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I'll play - .22 Magnum from a 4" Bearcat:


Sat 31July10, 77 F, 5950'>sea level, 40% humidity:

Winchester Supreme 30-gr JHP .22 Mag
M 1653 fps/ES 205.8 /SD 82.35


Winchester Supreme 34-gr JHP .22 Mag
M 1611/ES 79.69/SD 30.29


CCI 50-gr GDHP
M 1271/ES 67.35/SD 21.95



On an earlier outing:



Bowen Bearcat .22 Magnum, 4" barrel
43 F, 5950'>sea level, c. 45% humidity
CCI 40-gr TMJ: mean 1214 fps/ ES 30.41/SD 13.26
CCI 40-gr JSP: M 1311/ES 105.8/SD 57.55
Win Super-X 40-gr JHP: M 1421/ES 66.33/SD 27.67
Fed Champion 40-gr FMJ: M 1296/ES 60.87/SD 26.68
Win Dynapoint 45-gr HP: M 1129/ES 99.46/SD 38.41




And here's some data from the Model 48s of our our sadly departed friend 38-44HD45 (John Levick):



Ambient temp was about 50 degrees F.

4":
Federal 50 gr. plated HP- Avg. 1043 fps., ES 85fps.
WW Supreme 34 gr.JHP- Avg. 1550 fps., ES 59 fps.
WW Supreme 30 gr. JHP- Avg. 1569 fps., ES 22 fps.

8 3/8":
Fed. 50 gr.PHP- Avg. 1256, ES 129
WW 34 gr.- Avg. 1724, ES 78
WW 30 gr.- Avg. 1749, ES 196
CCI 50 gr. Gold Dot JHP- (1 round) 1360 fps.
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