N-frame pre-20 - Pistolsmith

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Old 02-14-2005, 02:58 PM   #1
Join Date: Jun 2001
Posts: 350
N-frame pre-20

Hello - picture if you will a big ole N-frame 4" .38 - I am thinking this is a strong enough platform to have it converted to .357 - sort of llike my own thunder ranch revolver - but cooler .


What needs to happen for the conversion?
What does something like that cost?

Before anyone starts breathing into a paper bag and taking my name in vain :evil: - we are speaking here of a shooter grade gun only - not a collectable.

Anyone had something like this done?

Comments would be appreciated.

~Jake Salyards
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Old 02-15-2005, 12:15 PM   #2
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Join Date: Jan 2003
Location: Albuquerque, New Mexico
Posts: 135
Beats me. Rather than try to install the cylinder from a .357, I think I'd just try to buy a 520. There are still a few floating around, if you absolutely must have a fixed-sight N-frame .357.
Old 02-15-2005, 01:38 PM   #3
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Join Date: May 2001
Location: Tucson, AZ
Posts: 2,141
Is the cylinder 'window' even long enough for .357? I have no idea, not being familiar with the
Old 02-16-2005, 08:45 AM   #4
Join Date: Jun 2001
Posts: 350
Is the cylinder window long enough? Good question - I think it is, but I don't know - it looks to me to be the same size as that on a SW27 - I guess we'll find out. I am trading into this one - even if it has to stay a .38 that is fine too - I have developed a soft spot for shooter grade older SW N-frames. I can't afford the collectables - which is all for the better - because I don't believe in guns you can't shoot - wine you can't drink - cars you can't drive, etc.

I'll let you know what happens.

The 520 idea is a good one - but I traded most of my money for 4 kids - so I have to be creative in my gun acquistions - not complaining either - the kids, on there worst day - are at least as cool as the guns.

Old 02-17-2005, 11:48 AM   #5
Join Date: Dec 2001
Posts: 157
Convert pre-20

I used to own a M520, and one of the prevous posters is right - it would make a lot more sense to buy one of those. They are not priced out-of-this-world, and would probably be cheaper than all of the costs to do a conversion.
Old 02-23-2005, 03:15 AM   #6
Join Date: Aug 2004
Posts: 21
I guess if it were mine, I'd just find some +p 38 spl cases and load them on the stiff side. I would love to come across a pre 20...(spelled AFFORDABLE) to go with my pre 27. I would guess that a 357 cylinder would fit, but, try to find any pre 27 or 28 parts (BBL and CYL) that are affordable....
Old 02-23-2005, 02:59 PM   #7
Join Date: Apr 2001
Posts: 524
Originally Posted by Jake Salyards
The 520 idea is a good one - but I traded most of my money for 4 kids - so I have to be creative in my gun acquistions - not complaining either - the kids, on there worst day - are at least as cool as the guns.

Well spoken, sir, well spoken.
Old 02-24-2005, 07:51 AM   #8
Junior Member
Join Date: Sep 2002
Posts: 10
The conversion would be just a matter of running a 357 reamer into each charge hole. It should not be real expensive. If a HD can be converted to 45Colt then it could be reamed to 357 because the Nominal length is about the same.
Old 11-08-2016, 03:05 PM   #9
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Join Date: Nov 2016
Location: Oklahoma
Posts: 1
What is the average throat dia. on the 44 629.

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