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New here......Help me build a Tack Driver??

 
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  #8  
Old 11-10-2005, 11:26 AM
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Re: New here......Help me build a Tack Driver??

Fifty, the overall length is 2.555 with a 35 degree shoulder and .013 taper. It holds 94 grs of water up to the shoulder neck junction.The barrel is a 27" Shilen. 140gr bts w/80grs rl 22 runs at 3640 fps with accuracy under 1/2moa. Only 16.25 moa to 1k.Gun weighs 9.5 lbs. I think G G. has some pictures he could post of the forming process. I'm working on the parts right now to have you build me a fast twist version. Hope to be in contact with you about it soon 7mmrhb.
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  #9  
Old 11-10-2005, 11:56 AM
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Re: New here......Help me build a Tack Driver??

Fifty, I have one set of 20 pcs of brass that I did the load development with that have been fired 9 times with no signs of case failure. The reason I shortened the brass was to be able to seat the bullet to the case neck junction and have it fit the magazine . It has the same capacity as the 7 STW in a short fat package,and I could use a standard magnum bolt face unlike the Dakota case. This was all done prior to any of the other Ultra mags. It certainly is nothing compared to your 7AM for performance but it's a nice 1000yard performer.
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  #10  
Old 11-10-2005, 12:06 PM
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Location: Pendleton,OR
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Re: New here......Help me build a Tack Driver??

ss7mm, I am located in Pendlton and would love to be able to shoot your rifle sometime. Shoot me a PM when you plan on going or we can workout details later.

I appreciate the bullet help and I am gonna look at those 200 grain bullets recommended. Anyway I was planning on a McMillian tactical stock, but I hadnt decided on a model. Its sounds like this 7mm AM is gonna be pretty hard to beat, because although extremly fast and powerful it sounds like many are having great accuracy as well. I appreciate all the info and would love to hear more.
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  #11  
Old 11-10-2005, 12:15 PM
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Re: New here......Help me build a Tack Driver??

44, Lerch has it right if you want tack driving looooong range performance. you can't do better than the 7AM. In the mid range (1k) or less .it's hard to beat Uncle B's 7mmbsm short mag. Good luck with whatever you decide on.7mmrhb
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  #12  
Old 11-10-2005, 12:27 PM
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Re: New here......Help me build a Tack Driver??

i am really starting to hate alot of you guys [img]/ubbthreads/images/graemlins/grin.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img]
just kidding

so now i want a 7AM for ultra long range killing and i might want one of these short fat 7bsm's for something easily portable.
lets see then I want a little 6br or something similiar for 500-800yd pdog slaughtering and then I might want a 50lb 338AM so i can shoot through a truck engine and the etc etc etc etc.......................

why can't i just win the damn lottery

take it easy
steve
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  #13  
Old 11-10-2005, 01:08 PM
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Re: New here......Help me build a Tack Driver??

Here is the whole process of forming the 7mmrhb cartridge:




Here is the 7mmrhb next to it's parent case, the 300 ultra:




And here is the .284 bsm next to a fired 25-06 case:
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  #14  
Old 11-10-2005, 01:18 PM
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Re: New here......Help me build a Tack Driver??

traks44:

In reading your initial post about the lighter weight bullets and kind of reading between the lines about your comments on the 200 grain bullets let me say this.

If you’re new to the long range hunting scene and have always shot 150 grain bullets as maximum weights in a 7mm you need to understand the design and concept of the heavy for caliber bullets.

The Wildcats, or any other brand, that are designed for very long range are long, sleek, wind bucking, velocity retaining missles with before unheard of BC's. Old time 200 grain bullets, which were never available in 7mm, were round nosed, blunt, clumsy and shot like a rock. The new ULD RBBT’s or other dedicated long range bullets not only perform at very long range but also at reduced ranges under most conditions. You just need the horsepower to get the upper velocity levels from the heavy for caliber bullets. That's where the 7mm AM case comes into play.

Here is a picture of a 200 grain Wildcat ULD RBBT beside a Nosler 160 grain Accubond, both in 7mm.


Here is the 169.5 Wildcat 7mm and Nosler 160 Accubond flanked by the Wildcat 200 grain ULD RBBT’s for some more comparison.


Good luck in your quest for the new long range rifle. The design and planning stages will keep you busy for quite a while.
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