OAL for 200gr plated SWC bullets

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OAL for 200gr plated SWC bullets

Post by kohlerpartsgod on Thu Dec 28, 2017 7:00 pm

Hello, wondering what others are doing for the OAL on the 200gr, plated SWC bullets. Thanks

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Re: OAL for 200gr plated SWC bullets

Post by Aprilian on Thu Dec 28, 2017 7:08 pm

.020 shoulder to case mouth with xtreme plated
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Re: OAL for 200gr plated SWC bullets

Post by LenV on Thu Dec 28, 2017 7:13 pm

Not looking at OAL very much. The biggy with SWC is how much of the flat base you have protruding past the case. We have pretty much agreed on about a fingernail. Or around .006" all SWC not being the same anyhow that seems to be a good place to start.

Len
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Re: OAL for 200gr plated SWC bullets

Post by LenV on Thu Dec 28, 2017 7:15 pm

We just haven't agreed on how thick a fingernail is. Very Happy
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Re: OAL for 200gr plated SWC bullets

Post by cdrt on Thu Dec 28, 2017 7:20 pm

It all depends on the barrel's chamber and leade.  My SA Range Officer's chamber has no leade, while my Colt Series 70 with NM barrel has a ton of leade and allows me to seat the bullets out more.  For convenience sake, I seat them all to fit the RO rather than the Series 70.
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Re: OAL for 200gr plated SWC bullets

Post by Multiracer on Thu Dec 28, 2017 7:45 pm

cdrt wrote:It all depends on the barrel's chamber and leade.  My SA Range Officer's chamber has no leade, while my Colt Series 70 with NM barrel has a ton of leade and allows me to seat the bullets out more.  For convenience sake, I seat them all to fit the RO rather than the Series 70.


....and that measurement is ?

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Re: OAL for 200gr plated SWC bullets

Post by LenV on Thu Dec 28, 2017 8:56 pm

Just measured some. .020 is a lot closer then the .006 I posted. I am loading a bunch of Zero 185s right now (Not plated) and they are around .022-.025. Must have been thinking about my Granddaughters nails. Rolling Eyes Not knowing exactly what bullet you have it is very hard to give you a starting OAL. This picture is of a FMJ not a plated bullet but it shows the amount of shoulder I am using. I don't have any plated bullets.

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Re: OAL for 200gr plated SWC bullets

Post by Bullseye_Stan on Thu Dec 28, 2017 9:26 pm

I've used the 'definition of headspace':http://www.bullseyeforum.net/t7022-range-of-acceptable-headspace?highlight=headspace





As shown in this post image by LenV, and adjust the seating of the shoulder for correct headspace. This may be different for each barrel, but only by a few thousands.

Edit: here is another image (more of a cartoon, but more informative): http://www.bullseyeforum.net/t7061-bullet-seating-for-the-45acp


As shown in this post by willnewton, the best bullet seating depth (for accuracy) headspaces on the bullet.


Last edited by Bullseye_Stan on Fri Dec 29, 2017 10:03 am; edited 2 times in total

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Re: OAL for 200gr plated SWC bullets

Post by Multiracer on Thu Dec 28, 2017 10:05 pm

Just a half a dozen months ago I started reloading. I used to base everything on OAL. That ended up being a disaster in having several 45's with differing barrels, chambers, and throats as well as differing magazines and springs. I have learned to go with a fairly average number measuring from the case edge to the lead shoulder .025". Jacketed is pretty much the same as is plated only its a tad harder to measure so an eyeball with the manly fingernail as a rule works out just fine .025" to .040". I check virtually every other round in a case gauge before it is boxed.
Since doing this I can say I have had almost zero failure to load scenarios.
Thanks for the good info in this thread guys.
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Re: OAL for 200gr plated SWC bullets

Post by cdrt on Thu Dec 28, 2017 10:39 pm

Multiracer wrote:
cdrt wrote:It all depends on the barrel's chamber and leade.  My SA Range Officer's chamber has no leade, while my Colt Series 70 with NM barrel has a ton of leade and allows me to seat the bullets out more.  For convenience sake, I seat them all to fit the RO rather than the Series 70.


....and that measurement is ?
What works for me, may not work for anyone else.  You need to check the chamber and see what works the best when you seat a loaded round with the barrel out of the pistol.  If it is even with the hood, you are good to go.
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Re: OAL for 200gr plated SWC bullets

Post by ruger15151 on Thu Dec 28, 2017 11:43 pm

I load 200 gr SWC @ .920 measured from the back of the case to the shoulder of the bullet. I have found this to be a much more accurate way to measure rather than trying to measure the exposed shoulder.

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Re: OAL for 200gr plated SWC bullets

Post by Jack H on Fri Dec 29, 2017 12:57 am

FWIW
Some old W-W and REM-UMC match ammo measures from base to shoulder about .920-.925
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Re: OAL for 200gr plated SWC bullets

Post by STEVE SAMELAK on Fri Dec 29, 2017 7:48 am

and once you determine what length you're going to use, get a seating stem that uses the shoulder rather than the nose.
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Re: OAL for 200gr plated SWC bullets

Post by james r chapman on Fri Dec 29, 2017 8:50 am

I shot next to a master who shot high 880's. I looked at his 185 and 200 loads and they were all seated flush. Be said it just simplified things for a his guns.

.905 or so.
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Re: OAL for 200gr plated SWC bullets

Post by BE Mike on Fri Dec 29, 2017 9:49 am

With this being, "The information age!" I would think that folks would quit reinventing the wheel. Don't worry about COAL with semi-wadcutter .45 ACP bullets. Just let a little of the shoulder stick out the mouth of the case. If your pistol feeds the cartridge reliably, you are good to go.
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Re: OAL for 200gr plated SWC bullets

Post by Wobbley on Fri Dec 29, 2017 9:59 am

But but....you’re taking all the fun out of it. If we can’t re-invent the wheel what else can we argue about?
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Re: OAL for 200gr plated SWC bullets

Post by STEVE SAMELAK on Fri Dec 29, 2017 10:16 am

Wobbley wrote:But but....you’re taking all the fun out of it.  If we can’t re-invent the wheel what else can we argue about?

WD-40
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Re: OAL for 200gr plated SWC bullets

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