Thread: REX powder data
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Old 11-10-2010, 16:21   #4
robert91922
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165gr Speer GDHP and Rex Magnum powder

- Glock 20 stock barrel
- primers: CCI LP 300
- recoil spring: DPM MS Glock20 3-spring system
- powder: Rex Magnum
- bullets: Speer GDHP 165gr
- brass: Starline and Winchester (both new)
- COAL: 1.260 and 1.265 (last 3 loads)
- temperature: 46 oF (8 oC)


load (grains) average (fps)
11,4..............1302
11,6..............1326
11,8..............1334
12,0..............1342
12,2..............1358
12,4..............1383
12,6..............1391
12,8..............1397
13,0..............1411
13,2..............1415
13,4..............1415
13,6..............1433

At 12,8 a bit more significant case bulging started, but no smileys yet. Primers were also a bit flattened.
IMO no danger for KB if you are using virgin new good cases.
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