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RE: 7mm STW Accumark

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Unread 09-25-2008, 12:15 PM
Silver Member
Join Date: Jan 2006
Posts: 412
RE: 7mm STW Accumark

I just picked one of these up on a whim. I have two Mark V's in 257 and 300, so I am not a stranger to Weatherby. Just curious if anyone has an STW and what they have done with it so far. I am not looking for a super long range rig, I have a 338 Sendero for that work.
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Unread 09-25-2008, 06:18 PM
Platinum Member
Join Date: Feb 2008
Location: IOWA
Posts: 2,123
Re: 7mm STW Accumark

I shoot a 7 STW with 168gr Berger @ 3150fps. Excellent caliber. I use 79.8gr Retumbo with Fed215GM primers. I could push it faster, but don't see the need.
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Unread 09-26-2008, 09:03 PM
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Join Date: Jan 2007
Location: Granbury, Texas
Posts: 321
Re: 7mm STW Accumark

Hunting load
140 grn Accubond
82 grn H=1000
3247 FPS not as fast as it will go but most accurate. 3/4" groups 200 yards.

Also shoot 150 and 168 grn SMK hunting and target all shoot nearly same POI at 200 yards.
Founding member of the 7MM STW Club
Member Texas Cull Hunters Association
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Unread 09-26-2008, 11:26 PM
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Join Date: Jul 2006
Posts: 630
Re: 7mm STW Accumark

I'm a member of HRstretch's STW club. I have a custom 338 Lapua that colects a lot of dust because I also have an STW. (Please don't flame me, its not really collecting dust!)

I love that caliber. I use 80 grains of Retumbo with 160 accubonds and its a great load.
Member 7MM STW Club
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Unread 09-27-2008, 11:29 AM
Silver Member
Join Date: May 2006
Posts: 303
Re: 7mm STW Accumark

80 grains of H1000 with 140 accubonds to 3320
79 graing of h100 with 160 accubodns to 3212

Great caliber. I want to try some wildcat bullets in 150 but cant seem to get in touch with them.
Member of the 7 MM STW Club
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Unread 09-29-2008, 05:29 AM
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Join Date: Jun 2008
Location: Texas
Posts: 446
Re: 7mm STW Accumark

The 7mm STW is an awesome round.I have a heavy barrel Sendero and it's quite pleasant to shoot without a muzzle brake.I am using Winchester WXR powder in mine.I use 80.0grs,Win. Large Rifle Primer,150gr bullet=3450fps on the chronograph,no pressure signs and 1/2" groups.This powder is double base and made in Sweden.Reloader 22 is also double based and made in Sweden,may even be by the same company.They seem to be loaded very similar,I have some loaded with Reloader 22 to try out,just haven't made it to the range yet.I also had excellent groups too with 82.0grs. of H-1000 at 3226fps with 150gr bullet and 81.0grs. of IMR-7828@ 3244fps with a 150gr bullet.If you don't have a chronograph,I'd get one,they sure are a good tool when working up your loads.
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Unread 09-29-2008, 08:58 AM
Silver Member
Join Date: Aug 2007
Location: Oklahoma
Posts: 170
Re: 7mm STW Accumark

71.5 gr IMR 4350 w/ a 140 gr Accubond and mag primer gives me 3250 fps out of mine.

Awesome Round!!
Member - 7STW Club
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