Lee vs RCBS Competition sizing dies - M14 Forum

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Lee vs RCBS Competition sizing dies

This is a discussion on Lee vs RCBS Competition sizing dies within the Ammunition forums, part of the M14 M1A Forum category; I'm looking for input from reloaders who have used both dies at one time or another. I use a Redding T-7 press and a couple ...


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Old March 16th, 2017, 10:36 AM   #1
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Lee vs RCBS Competition sizing dies

I'm looking for input from reloaders who have used both dies at one time or another. I use a Redding T-7 press and a couple of months ago I acquired a Savage 10 FCP-SR 20" (.308) bolt gun. I've used Lee dies for a long time and have always been happy with them so that's what I've been using for this rifle during load workup. I set the shoulder back .002 and the Lee sizer gives me that plus or minus .0005 every time. The seater die gives me plus or minus .001 to .003 ogive to base. Now that I've pretty much determined the optimum load I'm getting ready to start playing around with the seating depth in small increments but I've just ordered a set of RCBS competition dies based on a demonstration, a few people I've talked to who use them and my need for a second set of dies.

The reason for a second set of dies is because I'm in the process of acquiring a new SA M1A Loaded. I'm definitely going to use the RCBS Comp seating die for the Savage but my question is whether I should use the RCBS sizing die on the Savage or the M1A. Would the RCBS sizing die offer an advantage over the Lee for The M1A? Adding to my indecision is the fact that many people recommend the use of small base dies when loading for it. I plan on using mostly .308 commercial cases but I'll also be using some 7.62x51 NATO cases. Does anybody know whether the RCBS and Lee sizer both size the case to the same spec or whether the RCBS Competition sizer might size slightly smaller therefore making it preferable for the M1A?

I'm hopeful that somebody will be able to shed some light on this for me. As of now I'm leaning toward using the LEE sizer and RCBS seater for the Savage and vice versa for the M1A.

Thanks in advance for your input.

BTW, I'm also posing this question on the Savageshooters.com forum.

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Old March 16th, 2017, 01:17 PM   #2
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Haven't used the RCBS dies, but the LEE dies have worked well for me loading for the M1A.

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Old March 16th, 2017, 01:20 PM   #3
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Redding competition dies. Nuff said.

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Old March 16th, 2017, 01:34 PM   #4
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I have the RCBS comp dies and like them very much, never used any of the others so I can comment on them.

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Old March 16th, 2017, 01:41 PM   #5
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I use the standard Lee dies for my Scout and haven't had any problems. The only reason you might need the small base dies is if the chamber of the Loaded were cut smaller than standard-don't think it is but don't know for sure as I don't have a Loaded.

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Old March 16th, 2017, 02:30 PM   #6
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Lee full length to size, Redding micrometer competition to seat.

You're welcome.

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Old March 16th, 2017, 02:47 PM   #7
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Redding or Whidden.

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Old March 16th, 2017, 03:28 PM   #8
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I use LEE in both std and collet type and like them. I don't use either for my autos though. I use RCBS std for my M1, which has always worked fine, and RCBS small base in my M14 rifles. The LEE collet die is great for bolt guns but you need to use brass specific to the chamber being fired in as it does not size the body or set the shoulder back, which is why its no good for autos.

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Old March 16th, 2017, 04:22 PM   #9
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I use the RCBS X small base size die here and an old Lee 'dead length' finger adj bullet seater? no idea, really, found it on my shelf and used a permanet marker to mark the seating depths of the various bullets I load...

Not killer accurate but good enough for me.

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