GregJ Posted February 6, 2014 Share Posted February 6, 2014 (edited) I thought I would test some rounds tonight, 5.2gr W231, with the 230 zero @ 1.24 OAL. Gun is 1911 5" (Gravitas Tactical). Rounds loaded on a LNL. The brass is all mixed headstamp. Sizing die is EGW-U. Crimp is .470. I shot 3, 3 shot strings. CED chrono with the IR sky screen. Temp 40* clear/calm. str1: 716.7, 766.2, 750.7 PF 171.2 str2: 649.1, 738.4, 746.7 PF 167.0 str3: 714.1, 720.4, 742.5 PF 166.9 Only string 3 made major. I just grabbed 9 rounds from the bucket, none were cartridge gauged, but cycled in the gun fine. The gun is pretty dirty, but that shouldnt have an effect on the first round of all 3 strings being lower than the rest. The only rest between strings was the time it took to save the string on the chrono. I check the powder drop fairly frequently, and it's always spot on 5.2gr. I usually use WSF, but the W231 just seems to drop more consistently, and I dont think it's as temp sensitive. So I have been thinking of switching to it. Suggestions for the inconsistent velocities? Edited February 6, 2014 by GregJ Quote Link to comment Share on other sites More sharing options...
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