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Reloading Berger Bullets


7mm STW

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Unread 03-09-2008, 07:08 PM
DLJ DLJ is offline
Junior Member
Join Date: Feb 2008
Posts: 9
7mm stw

I am shooting 80.6 grains of H1000 behind a 162 gain Hornady interlock. I am getting 0.5" group at 100 yrds. The bad thing is destroys meat. I am looking for a load in 160 grain hunting bullet but no one wants to trade me out of my 175 grain Grandslams. I love this gun. It is fun
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Unread 02-06-2010, 07:25 PM
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Join Date: Jan 2010
Location: Leominster mass, originally Salisbury Maryland
Posts: 1,324
Re: 7mm STW

79.3 grains of RL22 UNDER A 140 combined tech. sparked by a gold medal 215, with bullet seated to the box in my sendero shoots 1/4 min groups at 100. I shot a deer at 477 yds. and it was like lightening struck. Velocity was 3305, and NO pressure signs. This gun shot so good that if it didn/t shoot, it was always me. Another load 75.5 RL22 under a 160 partition tha would yeild 3/4 groups at 200 yds. velocity unknown. want to try 168 gr. berger, Awesome caliber. It just don/t get any better
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Unread 02-07-2010, 01:39 PM
Silver Member
Join Date: Feb 2004
Location: Wyoming
Posts: 433
Re: 7mm STW

I shoot a 127gr Groove bullet right now. Cant buy them anymore. In this bullet I am running 81 gr of RL22 on Gold match 215's. If I remember right I am pushing near 3500 fps. Knocked the dog snot out of several Elk and deer, VICIOUS! Can you say in a nickle at 300 yards! I can! Bad thing is I only have bout 30 of these rounds left. So I think next I am going to try the Barnes MRX 140's. I have been super impressed with the 150gr TSX in my bro's 300 WBY. Elk killing machine right there so thats why I am going to try them. I wont go heavier than 140's.

I tried the Lazzeroni Lazzerheads and I think my twist is wrong for them, Could not get good groups but the velocity was unreal!

I also tried 140 gr. Combined Tech. Ballistic tips and they were terrible. I found that at around 400 yards the bullets were coming apart. Shot a milk jug with them and it looked like it was shot with a shot gun. The jacket was inside and didnt even go all the way through the jug anywhere.
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Unread 02-07-2010, 10:36 PM
Silver Member
Join Date: May 2007
Location: California
Posts: 458
Re: 7mm STW

Retumbo/180 Bergers.

Start at 77 grs and work up. I get vertical at less than 77 gr. My rifle has a Wyatt's extended magazine box so I set the cartridge length to 3.800", just short of the lands (I don't want the bullet touching the lands in a magazine rifle even if it does group a little better that way).

So far, 78.5 grs looks very promising, but further testing is forthcoming.

One shooter reports excellent result at 79 gr, but this may be too hot in some rifles.

Last edited by LewisH; 02-08-2010 at 01:20 PM.
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Unread 02-08-2010, 06:21 AM
Silver Member
Join Date: Jun 2008
Location: Texas
Posts: 446
Re: 7mm STW

80.0grs of Win. WXR or Reloader-22 with a 139gr Hornady Interbond gives me a little over 3400fps and great groups.7mmSTW 3 shots 100yds on Flickr - Photo Sharing!
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