Pro's and con's to converting my 642 to use moonclips and could it even be done?


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flip180
July 26, 2006, 11:42 PM
I thought it would be a neat idea to have my 642 converted to use moon clips. I was wondering if there would be any benefits to doing so such as faster reloads and being able to carry more ammo due not having to carry bulky speed loaders. Who would be a good place to have it done such as S&W?

Thanks, Flip.

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timothy75
July 26, 2006, 11:55 PM
If you couldnt fire the gun without the clip that could be a problem if you wanted to top off the cylinder with just one or two shots. And you might not save that much bulk anyway. You might prefer carrying 4 loose rounds in one pocket and a speedloader in another. I carry mine that way sometimes. Good luck

gazpacho
July 27, 2006, 01:16 AM
There are conversions that allow you to fire with AND without the clip. difficult topping off is a downside. However, instead of topping off, may I suggest using that time to run further away from the badguy.

Clips greatly aid in extraction of all spent shells, and greatly simplify reloading.

Check here (http://www.moonclips.com/machine.htm)

BluesBear
July 27, 2006, 01:27 AM
cons

You'll drastically lower the resale value.



pros

can't think of any

farscott
July 27, 2006, 08:31 AM
My two cents: Revolvers set up for moon clips for long rounds like .38 Special are a PITA to load because it is hard to align all of the rounds with the cylinder charge holes simultaneously. Clips shine for short rounds, like the .9x19, .40 S&W, and .45 ACP. The shorter rounds have less travel for a given angle of "wobble" in the clips; thus, making them easier to load.

I have seen people who use the clipped S&W M627 .357 Magnums use .38 S&W brass to get the shorter OAL for faster reloads.

ChristopherG
July 27, 2006, 10:26 AM
Several points based on my experience, which includes having a clip conversion done to a 66, and shooting that 66 (and a 625) with moonclips in training and competition, and shooting the same 66 with speedloaders in training and competition:

1) Gazpacho is right about extraction; a full moonclip does make this a smoother operation, particularly where you're dealing with a short extractor rod as on a 642.

2) Farscott is right about the PITA of long, skinny rounds like the .38 in moonclips. Actually, it's not so much the long skinnyness that matters (though that's a factor) as it is that the clips themselves are thinner, floppier, and bendier than the clips used for rimless cartridges like the .45 et al.. Unfortunately, this thinness makes any reload(s) that you carry quite a bit more fragile than a speedloader. If not securely held and protected, the moonclip may release rounds, or worse, may bend, meaning that when you shove it in the gun it won't work.

3) Speedloaders (safariland speedloaders, that is) can be made to work very fast with practice (and appropriate grips--with the cut-out left side, and preferably wood, since rubber grabs speedloader bodies).

I know that full-moonclipped .357's like the 8-shot 627 are the cat's pajamas for some competitive revolver games; but IME, moonclips on rimmed cartridges are an idea that's best limited to play guns, which a 642 is decidedly not.

ChristopherG
July 27, 2006, 10:34 AM
Oops--DT.

Jim Watson
July 27, 2006, 11:26 AM
My experience parallels ChristopherG's and I just don't see the sense.

There WAS a guy who found parts or mixmastered two guns to come out with what S&W would have called a 942 if they had made it. An airweight frame and a 9mm cylinder. Short hot 9mm in clips would be worthwhile.

Brian Williams
July 27, 2006, 12:24 PM
The 942 works great. I got a 940m cylinder and had it fitted to my 642 and wow what a great gun. The moonclips make for extremely fast reloads and ejectoin is very positive.

If S&W can make a lightweight in 357, they could easily do the same for a 9mm.

I am very careful with what loads I use in my gun and practice mostly with very low pressure 9mms that I have handloaded. I have shot it a bunch with my handloads and with 38 specials. I have only shot my carry loads a few times to verify POA=POI.

http://www.thehighroad.org/attachment.php?attachmentid=27813&d=1124400787

http://www.thehighroad.org/attachment.php?attachmentid=27501&d=1123593231
http://www.thehighroad.org/attachment.php?attachmentid=27500&d=1123592468

ChristopherG
July 27, 2006, 12:54 PM
THAT is COOL, and would totally be worth carrying. Those little 9mm fullmoons would just jingle around like quarters in your pockets.

Slam that stainless cylinder in a Scandium-alloy frame, and you could shoot any 9mm you could dream up.

How can S&W not have done this already???

roo_ster
July 27, 2006, 01:53 PM
Yep, S&W needs to come out with a short(er)-frame lightweight snubbie in 9mm.

I would buy one of those in a NY minute.

BluesBear
July 27, 2006, 02:51 PM
I agree with the previous posts. Clips are OK for rimless cartridges but, for me, speedloaders work better hands down for real revolver cartridges.

However I still say someone needs to produce a 9mm Auto Rim cartridge.

roo_ster
July 27, 2006, 04:51 PM
Did not Federal produce a rimmed 9mm?

Jim Watson
July 27, 2006, 06:04 PM
Yes, but it is not an Auto Rim design. It has/had a standard thickness rim and was meant for use in dedicated 9mm Federal revolvers, never made by anybody but Charter Arms that I know of. It does not have the thick Auto Rim rim to take up the headspace of rim plus clip. It MIGHT work in a 9mm P clipgun. Do you want to bet your life on it?

Charles S
July 27, 2006, 06:15 PM
However I still say someone needs to produce a 9mm Auto Rim cartridge.

Federal made a production run of 9mm rim, and it works great in my S&W 940 and Ruger SP101 9mm.

Brian,

Really cool gun.

Charles

BluesBear
July 27, 2006, 11:35 PM
and it works great in my S&W 940 and Ruger SP101 9mmAll well and good if you don't mind excessive headspace.

They're your eyes and hands.


See Jim Watson's post above.

9mm Federal is collectors ammo now.

carpettbaggerr
July 28, 2006, 01:32 AM
How can S&W not have done this already???They're busy designing a better revolver :scrutiny:

http://www.thehighroad.org/attachment.php?attachmentid=42577&d=1153608018

carpettbaggerr
July 28, 2006, 01:34 AM
:uhoh:

kjeff50cal
July 28, 2006, 10:43 AM
S&W, guys less is more:barf: :evil:

Coronach
July 28, 2006, 04:38 PM
Who planted the ugly tree at S&W's corporate HQ? And what are they doing, dropping new revo designs off the top floor and seeing how many branches they can hit in one go?

I mean, I like innovation as much as the next guy, but dayam.

Mike

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