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300wsm comparison to 7mmwsm

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Unread 09-08-2005, 07:32 AM
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300wsm comparison to 7mmwsm

for the record I am a 30 cal guy but Ihave been impressed with this 7mmWSM.. here's why...

1000 yard data

.284 175 gr smk at 2850fps ( mild load )

vel. / ft. lbs. / apparent trag. / Wind drift
inch MOA inch MOA
1774 1222 -260.7 [ 25.00] -50.0 [ 4.75]

.30 cal 190 gr SMK at 2750 fps

1580 1054 -298.7 [ 28.50] -61.6 [ 6.00]

I found this very interesting. Obviously this is just preliminary work and on paper but I know the 190 SMK stuff is right cause that was from my books on my 30WSM
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Unread 09-08-2005, 10:28 AM
Bronze Member
Join Date: Jan 2005
Posts: 56
Re: 300wsm comparison to 7mmwsm

I always was a 30 cal. and bigger man. Bought a 7mm saum last fall. I'm really impressed with it too. The ballistics of the 7mm projectiles are impressive.
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Unread 09-08-2005, 01:10 PM
Gold Member
Join Date: Jul 2005
Location: East TX
Posts: 773
Re: 300wsm comparison to 7mmwsm

Did you ever try the 175 gr SMK or 178 gr AMAX in the 300 WSM? I have had the best luck with those two in my 300 SAUM. I can't decide on which caliber short mag to get next. I like the idea of the WSM, but I like Remington rifles. Now my dreams have been answered by Remington, and I have to pick either the 270 or 7 mm.
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Unread 09-08-2005, 08:57 PM
Junior Member
Join Date: Aug 2005
Posts: 11
Re: 300wsm comparison to 7mmwsm

I have a GAP 7mm wsm that Chris Matthews built and it shoots 175 SMKs incredible. The gun shoots 2 inch groups at 700 yards and I am glad that I built it over the 300 WSM. That is my opinion and experience.
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Unread 09-09-2005, 06:01 AM
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Re: 300wsm comparison to 7mmwsm

my 300WSM that Chris built would do that as well.. but the 7 does it flatter...
sewhat.. my personal feeling is that the RSAUM will be phased out.. the WSM are just to popular.. if ya want a sort and fat one on a Rem action, buy the action and send it to Chris...
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Unread 09-10-2005, 10:50 AM
Bronze Member
Join Date: Jan 2005
Posts: 56
Re: 300wsm comparison to 7mmwsm

You may be right, but from what I've seen neither 7 shorty is as popular as the 270 or 300 wsm.
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Unread 09-10-2005, 08:47 PM
Writers Guild
Join Date: Jul 2001
Posts: 1,459
Re: 300wsm comparison to 7mmwsm

If you like the 7mm 175gr MK, try the 162gr Amax and I bet they put a smile on your face. I have two 7RM launching them now and LR performance is very satisfying. Should work quite well on game too.

Based on my drop table, elevation and wind drift should be better too.

Until you get way up there in bullet weight, the 7mm just walks on the 30cal. When you get to those 30cal heavies, the WSM case is too small. So if you want 'small case' LR performance, the 6.5 and 7mm are tops. At least until more 6mm and 25cal bullets come out.

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