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

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  #2031  
Unread 12-10-2012, 11:29 AM
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Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

Quote:
Originally Posted by ButterBean View Post
H-1000 is a great powder in this cal and RL25 is showing good results as well
Do you think RL-22, 4831sc, or 4350 would be a better choice for 150 TTSX in a short barrel?
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  •   #2032  
    Unread 12-10-2012, 11:42 AM
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    Quote:
    Originally Posted by 7stw View Post
    Rick, I have that same exact rifle, and it truly a treasure. I was in the process of building a custom STW this past spring, and this Custom Sharpshhooter became available. I made a few sacrifices, and now I own it.
    Mine will shoot almost anything I put through it. It loves 160 Speer Grand Slams, but it shoots 140 partitions like a dream. My load data is 82.0-RL25-140 partition @ 3.630 OAL, with a 215 Federal Gold Medal primer. My velocity runs around 3370 ish, and is very accurate. You mentioned that yours has a HS Precision stock. Mine has a bedded McMillan stock, that fits it like a glove. All else is the same, Schneider stainless, blueprinted action, etc. My barrel cleans very easy, and hardly fouls. I shoot two shot groups, let it cool, fire two more. Otherwise, after the second shot, the barrel gets pretty warm, and the third shot is out, but not enough to miss a deer. She will print two shots at a half inch at 200 yards al day if I do my part.
    Your second question about the TSX is most decidedly a yes from me anyway, and a few other " brothers" here as well. My sharpshooter also shot that bullet also with the same formula as above, using the 140 TSX. My bullet of choice is the Barns LRX in 145 grain. Nice rifle there my friend, and " Welcome to The Brotherhood".

    Bob.

    Hi Bob, thankyou for the info, glad to hear all good things about it. I purchased it at a local gun store brand new and have yet to fire it! It came with a HS Precesion shot target, load data and pics of target. I will try to post a picture of it on here. I cant wait to try some of these loads as I want to start handloading next year! Thanks again. Rick
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      #2033  
    Unread 12-10-2012, 02:18 PM
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    Quote:
    Originally Posted by jsthntn247 View Post
    Do you think RL-22, 4831sc, or 4350 would be a better choice for 150 TTSX in a short barrel?
    of those only rl22 is truly great in the 7stw. H4831 can be made to work with lighter bullets, but it is better for fire forming, etc.. 4350 is simply quite fast for this round. My pops has shot rl22 and 140's for 10+ years in his 7stw and it has been very lethal to 600+ yards.
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      #2034  
    Unread 12-10-2012, 02:27 PM
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    Quote:
    Originally Posted by jsthntn247 View Post
    Do you think RL-22, 4831sc, or 4350 would be a better choice for 150 TTSX in a short barrel?
    Rl22 is really great and really sensetive and I mean really sensitive to outside Temps 4831 and 4350 wont be enough with the short tube (or with a long tube for that matter)Like I said the H-1000 is one of my all time favorites for this cal with RL25 running neck and neck with it IMO the H-1000 is less prone to temp changes but The 25 hasnt shown any signs of instabilatiy either so far and I shouldnt say "wont work" because both the 4831 and 4830 will work ....they just wont give you the numbers you will be looking for
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      #2035  
    Unread 12-10-2012, 04:18 PM
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    H1000 is my std. powder for the STW. The 140's are the lightest bullet I have been able to get dependable accuracy with.

    Jim
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      #2036  
    Unread 12-10-2012, 04:32 PM
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    Location: Leominster mass, originally Salisbury Maryland
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    Quote:
    Originally Posted by jsthntn247 View Post
    Do you think RL-22, 4831sc, or 4350 would be a better choice for 150 TTSX in a short barrel?
    Jsthntn, I don't know what powder is going to be your " best " choice, as most of the above mentioned powder from the " brothers" is still going to be too slow in the barrel length that you have. Using a 22 inch barrel, it is difficult to get a 280 to burn all the 4350, and 140-150 grain bullets. What you have is a fairly overbore cartridge, and nor enough barrel to burn all the powder in. Obviously a faster powder is in order, but here is the caveat. Even with 4350, and a stout load, it all isn't going to burn in the barrel, and you are going to have a huge air space above the powder charge which sets up a scenario called the " secondary explosion effect" this is when the air above the powder charge actually gets ignited, and skyrockets chamber pressures. Usually, you can get a STW to shoot fairly well with a 24 inch barrel, and not sacrifice too much speed. But a 22 inch barrel is a whole other story, and a new set of rules. Yeah, probably H4350 would probably be your best and only option, but the muzzle blast is still going to be ferocious. You probably will not be able to get the usual velocities that are customary for a STW either. Good luck in your search, but approach your loads VERY cautiously.
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      #2037  
    Unread 12-10-2012, 04:45 PM
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    Re: 7mm STW Brotherhood - For those who shoot the 7mm Shooting Times Westerner

    My neighbor says he uses 73.7 grains of 4350 in both his stw's with great groups. I checked Barnes website and 73.0 grains of imr 4350 was their most accurate powder for the 150's. I wouldn't think 74 grains would be that small of a charge in relation to case size to cause detonation.
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