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Old March 16, 2001, 06:23 PM   #1
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friend of mine has a buncha (>20#) winchester 296 laying about. figured with the small case of the .40 *&* and the fact that 296 likes to be compressed...well

was wondering if anyone has some good loads for the .40, using 296, or know of a good site to find the info

thanks much...(i told him to just use some of his 231)
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Old March 16, 2001, 09:18 PM   #2
Mal H
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The perfect solution is for your friend to get a .44 Magnum and some 231. Then both problems would be solved - he could use up the 296 and load for the .40 S&W. 296 is not a good choice (read bad choice) for the .40, it's much too slow.
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Old March 17, 2001, 12:11 PM   #3
Paul B.
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W-296 is not suitable for the .40 S&W.
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Old March 17, 2001, 12:58 PM   #4
Desert Dog
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W296 is for magnum pistol cartridges

40 S&W does not have the case capacity to work with 296. Even a compressed load in the .40 case might not have enough pressure to even get the bullet out of the barrel.

Go buy you some AA#7, which, in my opinion, is one of the better powders for .40.

Leave the 296 to the tall, magnum cases... (.357, .41, .44, .45 Colt)

Yes, in fact I do have a 454... in more ways than one.

"No provision in our Constitution ought to be dearer to man than that which protects the rights of conscience against the enterprises of the civil authority" - Thomas Jefferson
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Old March 17, 2001, 08:35 PM   #5
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Win296 also likes magnum primers.
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Old March 18, 2001, 08:47 PM   #6
Chad Young
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Win 296 is also very nice for use in .30 Carbine cartidges. I love stuffing 18.5 grains of W296 under a 125 gr Remington Golden Sabre in a .357 mag case. Definitely a Ruger or S&W only load! (clocked at over 1800 fps)
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Old March 19, 2001, 02:54 PM   #7
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Nuts! I've stuffed up to 20.5 of 296 under W-W and Hornady JHPs and never got more than 1450 out of a 6-inch *&*. At 80 to 100 degrees!

Even allowing for the fact that I have fired other loads in another revolver and it gives higher pressures and about 100 fps more than mine does, getting 1800+ looks unattainable for me...

I've always wondered why no 296 loads have been developed for the .40 slick&willie. The operating pressure is only 5,000 psi less than .357, IIRC.
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Old March 19, 2001, 04:33 PM   #8
Calif Hunter
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Another reason W-296 would not be a good powder for an autoloader is that it requires a good strong crimp like a roll crimp into a cannelure or crimping groove. An auto needs to headspace on the case mouth and that means a taper crimp. Without that strong crimp, you'll get erratic velocity and a possibly dangerous condition in poor ignition and/or "secondary ignition." That happened to me with a .357 load using a full jacketed slug with no crimp groove. It bulged the barrel on my Colt Trooper.
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Old March 19, 2001, 06:01 PM   #9
Patrick Graham
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The only rounds I use WW296 for is 357 mag and 44 mag. It works great for those.

Using WW296 in 40 would play into the hands of the "Glocks go KABOOM" people and we don't want to do that.

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