357 SIG Hi Power Conversion Questions...


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Old 09-17-2010, 01:19 PM   #1
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Default 357 SIG Hi Power Conversion Questions...

Hello. As you know, 40-caliber Hi Powers can be converted to 357 SIG by replacing the factory barrel with an aftermarket one chambered for the cartridge. I am interested in the first-hand observations of people actually owning such conversions and these questions in particular:

1. Is your converted Hi Power reliable in 357 SIG?

2. How many different 357 SIG loads have you used?

3. How many total 357 SIG rounds do you estimate firing through your Hi Power?

4. If your pistol malfunctions, how frequent is it? (1 out of ten, one-hundred, two-hundred?)

5. What strength recoil-spring do you use?

6. What brand aftermarket barrel are you using? (I recall that Bar-Sto Precision no longer offers a conversion barrel.)

7. Has your Hi Power suffered any small parts breakage or even catastrophic frame or slide damage?

8. Has accuracy been satisfactory?

9. Do the existing sights offer POA matching POI?

10. Are you satisfied with the conversion in general?

Thank you in advance for your taking time to share your experiences and observations. I appreciate your taking the time and effort to do so.

Best to you and yours.



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Old 09-17-2010, 03:57 PM   #2
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I don't really have specific answers to your questions, but here's one point I would make: The lighter 40sw rounds (135-140gr) made by Black Hills, CorBon, etc will provide similar ballistic performance to a 357sig....which might save you the cost of a barrel and potentially some springs.

I have a 357sig (Sig p226) and it's a fun little thumper, but it costs an arm and a leg to feed. Range ammo is almost as expensive as defense ammo. If you've got a solid setup it probably is a flatter shooting, more accurate round than the 40sw. Of course I'm not nearly capable of demonstrating that.



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Old 09-17-2010, 04:11 PM   #3
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Knowing most of the folks around here, I can't remember anyone having a .40 High Power. Now some of us, me included, have other .40s with .357 barrels - mines a Sig 229. As the .357 Sig is just a necked down .40, reliability isn't affected. My 229 works 100% in either configuration.

Since the .40 is already a high-pressure round, many of your other questions are kind of moot as you're not converting from a low to high pressure caliber. I don't shoot a lot of .357 Sig as ammo is pricey - it is fun to shoot though...

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Old 09-17-2010, 04:37 PM   #4
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Hello and thanks very much. I am involved in research for a project and am seeking long-term first-hand observations from people having had their forty-caliber Hi Powers converted to 357 SIG.

Thank you for your responses and the best to you and yours.

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