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Old April 29, 2009, 01:54 AM   #1
Richard from SE AZ
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Join Date: April 23, 2009
Posts: 11
Win.571

Awhile back I was given a box with diff.powders. In it were two cans of Win. 571. Times being what they are, I would like to use it but can't find any load data for it. I reload 1/2 dozen popular handgun calibers and a number of rifle calibers including 30 cal. carbine. Anyone have any load data for it???
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Old April 29, 2009, 11:37 AM   #2
crowbeaner
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Technically the same powder as HS-7. Discontinued a few years back; good for 12 gauge slug loads and heavy field applications. Try the WW booklets from 14th edition on.
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Old April 29, 2009, 11:38 AM   #3
rg1
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Win 571 makes a good 20ga. shotgun powder. Word is that Win 540 is the same as Hodgdon HS6 and Win 571 the same as HS7 and starting load data can be used for HS7 to work up loads for Win 571.
Winchesters 15th Edition Loading Guide from 1997 showed these loads for 571 using all Winchester components of course.
____________
Win 571 powder
9MM luger
115fmj---7.0 grains--1080fps--27100psi
7.6 --1180 --33000
115jhp---6.9 grains--1060fps--27000psi
7.7 --1185 --32900
124fmj---6.8 grains--1035fps--27800psi
7.2 --1085 --30600
7.5 --1125 --32900
147fmj---5.5 grains--880 --27200psi
6.0 --960 --33000
147jhp---5.5 --900 --29800
5.8 --935 32800
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40 Smith&Wesson
150 JHP---9.5--1130--27200
10.4--1230--33200psi
155 JHP---8.5--1020--24700
10.0--1180--33200
170 JHP---7.6--900--22500
8.8--1080--33200
180 JHP---6.8--830--23200
7.8--950--29500
8.3--1015--33200
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10MM auto
155 JHP---9.7 grains--1110fps--23100 psi
12.0 --1350 --35300
170 JHP---9.0 --1060 --25300
10.8 --1240 --35600
180 JHP---8.3 --950 --23100
10.2 --1170 --35600
200 FMJ---8.3 --960 --27500
9.3 --1070 --35600
______________________
45 ACP
185 JHP---10.3--935--16800psi
11.3--1045--19400
200 JHP---9.0--860--16600
9.8--945--20000
230 Lead Round Nose---7.7--800--15900
8.7--890--19800
230 JHP---8.4--795--18400
8.9--845--19900
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Be careful with this data especially switching to other components. Like mentioned Winchester used Win cases, primers, and bullets for this data Try cross-referencing this data with HS7 powder. Use at your own risk. Win did not give any overall lengths for loaded rounds and deeper seating can raise pressure.
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