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Does anybody have experience with the Winchester "WLP" primers in their 44 Magnum handloads? Winchester claims that these things are suitable for both standard and magnum loads, but I don't see how. More specifically, if you were to use this primer for full-blown magnum loads (Speer #14) in your beloved bicentennial Blackhawk or your brand spanking new 1894SS, which would be the safer powder choice: 2400 or H110?
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I conducted my own tests with H110, and coincidentally used WLP primers. Having shot enough loads, there is a difference between W/W, CCI, and Federal primers, but not enough to worry me in pistol calibers.
You can compare the velocity in a 20” barrel against a five inch revolver at the bottom.
Personnally, I prefer 2400 in the 44 Magnum to H110. Far more flexible. I have shot a lot of 240 (any) with 17.5 grains 2400, and less 22.0 grs 2400 with any 240. The 22 grain load is quite powerful.
M1894 Marlin 20” Ballard Barrel
240 Nosler JHP 24.0 grs W296 WLP Fed cases
23-Mar-05 T = 64° F
Ave Vel = 1725
Std Dev = 7
ES = 21
Low = 1715
High = 1736
N = 5
240 Nosler JHP 24.5 grs W296 WLP Fed cases
23-Mar-05 T = 64° F
Ave Vel = 1752
Std Dev = 12
ES = 28
Low = 1735
High = 1763
N = 5
240 Nosler JHP 24.0 grs H110 WLP Midway cases
23-Mar-05 T = 64° F
Ave Vel = 1710
Std Dev = 3
ES = 9
Low = 1705
High = 1714
N = 5
240 Nosler JHP 24.5 grs H110 WLP Midway cases
23-Mar-05 T = 64° F
Ave Vel = 1745
Std Dev = 12
ES = 45
Low = 1723
High = 1768
N = 10
240 Rem JHP 24.0 grs H110 WLP Midway cases
23-Mar-05 T = 64° F
Ave Vel = 1719
Std Dev = 10
ES = 29
Low = 1705
High = 1734
N = 10
M629-5 5” Barrel
240JHP R-P 24.0 grs H110 Midway cases WLP
9-Oct-05 T = 66 °F
Ave Vel = 1228
Std Dev = 21.47
ES = 70.16
Low = 1268
High = 1197
N= 22