All of the following were fired from a Lipsey's Ruger Single Seven, 4-5/8". Brass is Starline. All rounds loaded with CCI #500 primers.
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100 Gr. Hornady XTP, Accurate A-9:
Charge Mean SD CoVar
11.0 gr. 1334 37.26 2.79%
11.5 gr. 1357 56.31 4.15%
12.0 gr. 1385 53.04 3.83%
12.5 gr. 1405 21.90 1.56%
13.0 gr. 1506 19.35 1.29%
100 Gr. Hornady XTP, H110:
12.5 gr. 1210 53.07 4.39%
13.0 gr. 1230 28.89 2.35%
13.5 gr. 1303 22.44 1.72%
115 gr. Penn Bullets SWCL, Unique:
4.0 gr. 1025 11.03 1.08%
4.5 gr. 1108 7.33 0.66%
5.0 gr. 1186 13.13 1.12%
95 gr. Penn Bullets SWCL, Unique:
4.5 gr. 1159 10.97 0.95%
5.0 gr. 1185 20.28 1.66%
Federal AE Factory 100 gr. JSP:
1452 12.58 0.87%
Most loads showed some primer flattening (as did most of the loads in Brian Pearce's article in Handloader #294). The 13.0 grains of A-9 produced hard extraction; I'm calling 12.7 grains the maximum for my revolver with this bullet and powder.
Still waiting to find some Alliant 2400.