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Old 01-11-2014, 04:17 PM   #11
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I am not afraid to shoot anything that came in a box marked Hornady.



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Old 01-12-2014, 04:49 PM   #12
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Current .357 Magnum ammo is loaded to SAAMI spec 35 kpsi and is much less liable to flame cut. The S&W K-frame .357's had not only flame cutting but forcing cone issues with the old 43 kpsi factory standard.



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Old 01-13-2014, 10:46 PM   #13
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Thanks guys I had some time to sit and look into the manual as I only glanced through it when I got home... It does have a warning about the possibility of flame cutting .

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Old 01-13-2014, 11:50 PM   #14
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The Winchester 110 grain semi jacket hp is a lighter load according to chronograph info I have seen. Makes a good round in a snubbie. A little hotter than +P but not full house 125.

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Old 01-14-2014, 12:04 AM   #15
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Gas cutting is increased dramatically when firing jacketed rounds in a fouled barrel. All lead should be removed from the barrel before shooting jacketed magnum rounds. The lead build up in the forcing cone allows gas cutting in the critical area of the barrel.

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Old 01-14-2014, 12:48 AM   #16
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Quote:
Originally Posted by nitestalker View Post
Gas cutting is increased dramatically when firing jacketed rounds in a fouled barrel. All lead should be removed from the barrel before shooting jacketed magnum rounds. The lead build up in the forcing cone allows gas cutting in the critical area of the barrel.
This issue isnt limited only to jacketed loads fired at close to max pressures. Case in point, years ago I spec'd and had built a ppc gun, bases on a model 10 K frame. the only ammo fired in it were target loads w/wadcutters at +/- 800 fps. After thousands upon thousands of rounds some slight gas erosion was visible inside the topstrap. Though it was slight and after several times more ammo than the average wheel gun shooter will put through any one handgun, it was evident, and not limited to my particular pistol. A few other of the competitors i regularly shot with had similar issues after many thousands of rounds using both K frames and colts.
So in reality, fire enough of any ammo eventually top strap erosion is a possiblilty, though remote with normal use.


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