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WIN231 for 40 S&W Major PF?


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#1 mrgreentie

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Posted 30 April 2012 - 08:01 PM

I have about 5lbs of WIN231 laying around and I'm thinking of using it to load 180grain Precision Deltas for my Limited pistol. Is WIN231 worth it or should I buy a jug of Unique or SOLO 1000 and avoid the headache?

#2 DWFAN

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Posted 30 April 2012 - 08:22 PM

I'd use it. What headache could it cause? W231 is a great powder that works for 9mm, 40, 38, 45.. especially if you have it on hand already.

Solo is reverse temp sensitive and varies a bunch lot to lot.

Edited by DWFAN, 30 April 2012 - 08:23 PM.



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#3 mrgreentie

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Posted 01 May 2012 - 08:12 AM

I'd use it. What headache could it cause? W231 is a great powder that works for 9mm, 40, 38, 45.. especially if you have it on hand already.

Solo is reverse temp sensitive and varies a bunch lot to lot.



My only concern with WIN231 is pressure. I know I'd have to load near max recommended load to make major. Is this even a valid concern?

#4 DWFAN

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Posted 01 May 2012 - 09:11 PM

Sierra lists 5.6 gr @ 1.125 oal for 1000 fps. I think youll make major just fine, especially if loaded long.

Start low and work up.


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#5 Croomrider

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Posted 02 May 2012 - 10:25 AM

I've used it, it works fine. No way I would let 5# of it go to waste!

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#6 blaster113

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Posted 03 May 2012 - 07:29 PM

I would definitely use it up. I used to use HP38(twin of 231) with 180 grain lead/moly/jhp. my load was 4.7-4.8 grains at 1.180 oal with mix brass for 167+pf out of an Edge. not the cleanest powder but recoil impulse was OK. I would use up the 231 and then go get some Solo or N320 afterward.

Edited by blaster113, 03 May 2012 - 07:30 PM.


#7 kalaur

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Posted 04 May 2012 - 09:35 AM

I found quite a bit of standard deviation while chronoing some 231 loads. IIRC, around 5.1 gr with a 180 MTG FMJ at about 1.190 was major in a 5" STI. I've found WST to be much more consistent with less variations when chronoing. I'd use up the 231 and look at other powders once its gone.
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#8 BillD

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Posted 04 May 2012 - 11:05 AM

180 gr Bayou BulletóMATCH LOAD
1.195 OAL
5.5 gr WW231
955fps at 70 degrees
172PF

TY41889
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