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7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

 
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  #673  
Old 05-20-2012, 05:35 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

I definitely want my first 2 bullets touching or in the same hole from a cold bore. Once you achieve this with a load, my point, is that those are the important shots hunting. Typically it seems heavier barrels heat up slower so that's my only real point. It depends on how much weight you want to tote.

I have a gun, 1909 Argentine sporter that is an effective hunting gun until the barrel gets hot, then it rises and shoots high right? My guess is that the weight and barrel thinness effect the long strings. But once it cools off it returns to the original accuracy for 2 and typically 3 before it wanders a bit. But I can't justify selling it because it is so light and whitetail here can be be close, 25-150 yards as you go to the next ambush spot.

My heavy barrel #5 Broughton doesn't do that, but it's hell to lug around.

That's all really.

Be safe...
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  #674  
Old 05-20-2012, 06:26 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

I believe the #5 Broughton is where I'm going with this STW after hunting season. A few friends have them and love them.
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  #675  
Old 05-20-2012, 07:42 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

Quote:
Originally Posted by WapitiBob View Post
Hopefully I'm not the only one learning here ...

I see brass on my bolt and what appears to be pretty even wear on the lugs. The bolted lifted fine on all shots this last session. Are the filings from the extractor?
Nope, that brass is either from tight chambering of a round, or tight extraction. One or the other. How are your primer pockets, tight? That brass is typical when the bolt face " grinds " against the base of the brass when it is dammed open or closed. Usually there is a couple a thousandths clearance. If there is not, you will get that. Also, the face of the bolt COULD be on the rough side, and that will cause the same. So, you either have tour sizer die TOO high, which is not allowing the belt on the case to fully engage into the recess, or you have high pressure. If your sizer die is not adjusted down enough, that WILL shoot pressures , and also grind against the bolt when you close the bolt. Adjusting resizer dies on belted mags can be a slippery slope. If you get it wrong, it will tell you. You just got told!!!! Clean off that brass with a bore brush, and spray it with brake cleaner, or something. Chamber a few fired , and unfired brass. Keep checking that bolt face. If you see it, with unfired brass, your dies are wrong. If you see it with fired brass, your pressures are too high.
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LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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  #676  
Old 05-20-2012, 07:57 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

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Originally Posted by Anvil11-87 View Post
I picked up a Remington 700 Sendero, 7 STW last year from another LRH forum member. I got interested in the caliber after shooting my brother-in-law's Ruger #1, STW.

My rifle really likes 140 grain Accubonds, loaded with 76.5 grains of H4832 which are running at 3,183.

My rifle still has the factory barrel. I've been told a 150 grain bullet shoots pretty good in them. Anyone got any good 150 grain loads they like?
Yes, as a matter of fact I do, and yes, they do shoot them well. My new one seems to like 150 BT's, and 154 Hornady spire point, which I don't know if they make them any more. Anyway, try, 78.0-7828 -150, 154l@ 3.640, and a fed 215 primer. Or, 77.5-RL22' and 215' same length, and finally, I have been using RL 25, recently, and like it. My load with that powder is 78.5- 79.0-RL 25' and 215 primer@ 3.640 in the Sendero. Experiment with primers too. I have had good luck with Winchester WLR standard primers. They are hotter than what you think! Good luck, and take care.
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AIM SMALL,MISS SMALL. 7 STW
LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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  #677  
Old 05-20-2012, 08:08 PM
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Join Date: Apr 2009
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

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Originally Posted by 7stw View Post
Yes, as a matter of fact I do, and yes, they do shoot them well. My new one seems to like 150 BT's, and 154 Hornady spire point, which I don't know if they make them any more. Anyway, try, 78.0-7828 -150, 154l@ 3.640, and a fed 215 primer. Or, 77.5-RL22' and 215' same length, and finally, I have been using RL 25, recently, and like it. My load with that powder is 78.5- 79.0-RL 25' and 215 primer@ 3.640 in the Sendero. Experiment with primers too. I have had good luck with Winchester WLR standard primers. They are hotter than what you think! Good luck, and take care.
Thanks for the info. I've used the IMR7828 with the 140 Accubonds and it did pretty good. I've heard conflicting opinions on using ballistic tips with the 7stw. They work really good in my 300wsm but I keep hearing that they "blow up/grenade" if you shoot something close in with the stw.
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  #678  
Old 05-20-2012, 08:14 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

Quote:
Originally Posted by WapitiBob View Post
these are from yesterdays session.
BINGO, you have high pressure. Whenever you see ejector plunger marks on the brass, it is actually flowing brass in to the produces, and the bolt face. Back off on the charge ASAP. Additionally, it COULD be a combo off the resizer adjustment, and / or high chamber pressure. Man, you are WAY over 65,000 pounds of pressure when brass flows. You need to get a handle on that quick. You can lessen the chamber pressure, by seating the bullet farther into the case, or decrease the powder charge. That bright shiny spots on your case heads are a dead give away. Take heed! High pressure is no joke!!!
P/ S, I can actually see the print of you bolt face in the lower left piece of brass in the picture.
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AIM SMALL,MISS SMALL. 7 STW
LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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  #679  
Old 05-20-2012, 08:34 PM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

Quote:
Originally Posted by WapitiBob View Post
Hopefully I'm not the only one learning here ...

I see brass on my bolt and what appears to be pretty even wear on the lugs. The bolted lifted fine on all shots this last session. Are the filings from the extractor?
Looks like either tight ammo or high pressure. If you don't need a pet gorilla to get the ammo in, I'd back off a bit. Unless your boltface could be used as a file, that is.
I had a pressure guage on my last stw, and the rifle was able to go over pressure and not show any real hard bolt lift. If it wasn't easy, the pressure was to high. I say that twice, if the bolt lift wasn't easy, the pressure was to high. Usually over 75K.
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