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Old 05-09-2010, 23:58   #1
jeffreybehr
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Have settled on a PD load with the 124g. XTP

After several days and hundreds of bullets of testing*, I've settled on a Speer nickel-plated case, Fed. 100 primer, 800-X powder, and that Hornady 124. My Glock 32 uses Lone Wolf's 4.5" barrel.

TOP GUNS *357 Sig* Club

The maximum powder charge that either of my sources, Hodgdon and Lyman, both using pressure barrels and publishing pressures, is 10.0 and 9.5 grains. My choice is 8.5 grains, and the resulting 10-foot velocity averages 1380FPS, more than either lab got at the muzzle from their 4" barrels. Doesn't make much sense to me, but I've tested 3 batches and the results are consistent.

Anyone's welcome to copies of my reloading log; e-mail me at jeffreybehr(at)cox(dot)net.


* oh poor me! I had to go the the shooting range to shoot these. Boo hoo!
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Last edited by jeffreybehr; 05-10-2010 at 17:05..
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Old 05-10-2010, 14:57   #2
RB98SS
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Some interesting notes on 800-X. I just chronographed a load using 9.5 grs with a Remington 124/125 HP. It registered a 1400fps velocity out of my G33 with the stock barrel. I also ran some factory Buffalo Bore 124 gr loads and they averaged about 50fps slower than the 800-X loads.

The 800 loads seemed very stout to me and still IMR says max load is .5grs more. 10 grs max at only 36,100psi.

I'm not sure I even want to try 10 with the speed of the 9.5's
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Old 05-10-2010, 17:13   #3
jeffreybehr
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Quote:
Originally Posted by RB98SS View Post
The 800 loads seemed very stout to me and still IMR says max load is .5grs more. 10 grs max at only 36,100psi.

I'm not sure I even want to try 10 with the speed of the 9.5's
I'll bet the 9.5-grain load seems 'very stout'.

I tried loads at 9.0, 9.2, 9.4, and 9.6 grains; they developed 10' average velocities of 1454, 1469, 1497, and 1514FPS. These were small batches, so the velocities are approximate.

I'll find some Accurate#9 and develop a load of 1375 - 1400FPS. Then I want to do some muzzleflash testing.
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"If lethal force is warranted and appropriate under the circumstances, the" (defender) "must shoot until the threat ceases." Pinizzotto, Kern, and Davis, FBI Academy.
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