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Two OAL standards per cartridge

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Unread 08-20-2005, 10:07 AM
Silver Member
Join Date: Nov 2004
Location: GF Montana
Posts: 467
Two OAL standards per cartridge

Suppose your 338 prefers a long 300gr bullet .020 off the lands, and this doesn't allow use of the mag - and you're going griz hunting (OK, elk hunting but you still want to get off a 2nd shot).

Why not load two groups. Optimal single shot loads and optimal mag fed cartridges. You could even use your co-workers nail polish to mark them.
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Unread 08-22-2005, 02:33 PM
Platinum Member
Join Date: Feb 2004
Location: Pennsyltucky
Posts: 2,630
Re: Two OAL standards per cartridge

when i did this i didn't have any change in POI although 200 yds was the greatest distance i tested .accuracy wasn't as good with the shorter,mag rounds in my gun.i used permanent marking ink on the bullets to mark them.
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Unread 08-23-2005, 09:04 AM
Platinum Member
Join Date: Jun 2001
Location: Potomac River
Posts: 5,070
Re: Two OAL standards per cartridge

I finally remembered! Marked the case head of bullets with finger nail polish back in 1972. You will need to buy a bottle of finger nail polish remover in order to get the flakes of polish off of your bolt face. The polish never comes out of the indentations of the case head lettering.

I suggest a Sharpie, it will have less "thickness" of the flakes transferred to the bolt face. I never tried fingernail polish any where else on the case but I would not recommend it on a place where it would transfer to the inside of the chamber.

I learned many lessons the hard way [img]/ubbthreads/images/graemlins/blush.gif[/img]
The Smokin Fur Rifle Club
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Unread 08-25-2005, 10:03 PM
Gold Member
Join Date: Nov 2004
Posts: 877
Re: Two OAL standards per cartridge

This is exactly what I have setup for my 300WM with 220 smks. A long load with 4831 (for close range precision shooting), a short load with 4831 (for mag feed hunting) and a long load with H1000 that has less ES than the 4831 loads when I am killing paper, and need less vertical. I would reccomend marking the bullets, not the case however. Color the ogive, forward of the bearing surface with a pair of different colored sharpies to distinguish loads. Depending on how deep you have to seat the bullets to fit the mag, you may have to change charge weights in order to keep the same velocity, and to be able to use the loads interchangabely.
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