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CBI pistol powder data
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<blockquote data-quote="Dumpstick" data-source="post: 3836988" data-attributes="member: 41653"><p>I'm going to start a new thread. I want to get this out of the purchase thread, so I can come back and update a clean thread as I shoot the data. Folks are always combing the web for data, this may help.</p><p>So far only 357 Mag with 1 cast bullet weight, but I plan to shoot different cartridges and weights, as I get the urge. </p><p></p><p>357 Mag - </p><p>Fired from a 4" Ruger Security Six</p><p>Lee TL358-158-RN. My home cast of 50/50 CWW/Pb weighs 160gr.</p><p>1.630 OAL (crimped in the first 'groove' - one 'shoulder' out of the case. Tumble-lube. Chrono 10 ft from muzzle.</p><p>CCI SP primers, Fed brass.</p><p>Fired 12 rounds each, some didn't read. Rounds registered noted.</p><p></p><p>6.0gr (1.02cc AutoDisc) 963 fps, 138 ES, 48.7 SD 8 shots</p><p>6.4gr (1.09cc AutoDisc) 994 fps, 128 ES, 38.4 SD 11 shots</p><p>6.8gr (1.18cc AutoDisc) 1041 fps, 116 ES, 38.5 SD 10 shots</p><p>7.3gr (1.26cc AutoDisc) 1099 fps, 146 ES, 54.6 SD 9 shots - slightly compressed powder charge</p><p></p><p>Notes - I didn't shoot for accuracy, but it looks like 6.4 - 6.8 range would make a very nice midrange load. Should easily make 1025-1100 fps in a 6" barrel. </p><p> - All weights shot very clean; no soot on the brass at all. Very little smoke, and that probably from the tumble lube.</p><p> - I had some sticky ejection at 6.8gr, but scrubbed the chambers and it cleared up. No problem @ 7.3gr.</p></blockquote><p></p>
[QUOTE="Dumpstick, post: 3836988, member: 41653"] I'm going to start a new thread. I want to get this out of the purchase thread, so I can come back and update a clean thread as I shoot the data. Folks are always combing the web for data, this may help. So far only 357 Mag with 1 cast bullet weight, but I plan to shoot different cartridges and weights, as I get the urge. 357 Mag - Fired from a 4" Ruger Security Six Lee TL358-158-RN. My home cast of 50/50 CWW/Pb weighs 160gr. 1.630 OAL (crimped in the first 'groove' - one 'shoulder' out of the case. Tumble-lube. Chrono 10 ft from muzzle. CCI SP primers, Fed brass. Fired 12 rounds each, some didn't read. Rounds registered noted. 6.0gr (1.02cc AutoDisc) 963 fps, 138 ES, 48.7 SD 8 shots 6.4gr (1.09cc AutoDisc) 994 fps, 128 ES, 38.4 SD 11 shots 6.8gr (1.18cc AutoDisc) 1041 fps, 116 ES, 38.5 SD 10 shots 7.3gr (1.26cc AutoDisc) 1099 fps, 146 ES, 54.6 SD 9 shots - slightly compressed powder charge Notes - I didn't shoot for accuracy, but it looks like 6.4 - 6.8 range would make a very nice midrange load. Should easily make 1025-1100 fps in a 6" barrel. - All weights shot very clean; no soot on the brass at all. Very little smoke, and that probably from the tumble lube. - I had some sticky ejection at 6.8gr, but scrubbed the chambers and it cleared up. No problem @ 7.3gr. [/QUOTE]
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