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Old November 1, 2012, 01:48 PM   #1
GregInAtl
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Load data for 225gr 45acp

I have been accustomed to loading 230gr round nose (RN) 45acp rounds. Now I have some 225gr flat point (FP). I am having trouble finding load data for 225gr. Lymans 49 has a listing for 225gr but those are for RN and I figure the OAL for FP would be different than for RN.

Any suggestions for 225gr FP 45acp using Win 231
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Old November 1, 2012, 02:16 PM   #2
tkglazie
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Personally, I would use 230gr data and not think twice about it. Anywhere from 4.7gr-5.1gr of HP38/W231 should do you just fine. (assuming these are lead bullets)

For the OAL, you just need to measure the bullets you have and compare them to the profile Lyman's provides and adjust accordingly.
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Old November 1, 2012, 02:20 PM   #3
GregInAtl
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Yes, but how about the OAL difference? The FP bullets used for 225gr are .05 shorter than the RN used for 230gr
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Old November 1, 2012, 02:26 PM   #4
tkglazie
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In my gun I load anywhere from 1.250"-1.265" OAL with a 230gr RN bullet. If your 225gr FP are .050" less than a 230gr RN I would make up a dummy round at 1.200" and see how it chambers. If it passes the plunk test and you are sure of the measurements you are good to go.
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Old November 1, 2012, 03:29 PM   #5
Hammerhead
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You can use 230 RN data and seat the 225 FP so that the base of the FP is the same depth as the 230 RN would normally be.
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Old November 1, 2012, 08:47 PM   #6
oldreloader
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I load my 225 gr FP's to 1.25 and have loaded them as short as 1.20. 4.6 gr Bullseye or 4.8 gr HP 38 are my usual charges.
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Old November 3, 2012, 11:16 AM   #7
Edward429451
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I used to load a lot of Colorado Cast Bullets 225gr FP and I seated them to1.193 over a max load of 5.8 gr of WW-231. Nary a problem with them.

You can always use jacketed data for lead boolits as lead takes more powder than jacketed. Work it up in your own gun, this load is max.
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Old November 3, 2012, 02:28 PM   #8
BDS-THR
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Quote:
Originally Posted by GregInAtl
I am having trouble finding load data for 225gr. Lymans 49 has a listing for 225gr but those are for RN and I figure the OAL for FP would be different than for RN.

Any suggestions for 225gr FP 45acp using Win 231
I just use the load data for 230 gr bullet.

FYI, most 200-230 gr commercial lead bullet weights can often vary by 3-5 gr+ on average.

The bullet nose may be shorter, but the bearing surface length is comparable and the bullet base will be seated to similar depth in the case neck. If you compare the lengths of bearing surface below, you'll see that the bearing surface of the TC bullet is slightly shorter and the bullet base will be seated a little shallower. Just conduct your powder work up using 230 gr load data. BTW, I am using 5.0 gr W231/HP-38 with 1.200"-1.220" OAL depending on the pistol/barrel used.

Current Hodgdon load data
Quote:
230 gr LRN W231/HP-38 .452" OAL 1.200" Start 4.3 gr (699 fps) 12,200 CUP - Max 5.3 gr (834 fps) 16,900 CUP


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