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The missing link

 
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  #1  
Old 10-02-2013, 08:05 PM
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Join Date: Dec 2010
Posts: 39
The missing link

Yup, the missing link is here.. the .012 incremental caliber between .284 and .308
.296 So far there's are 2 bbl manufacturers to be making bbls, McGowan and Broughton
by contract of Macs Gunworks in WY
I know they are testing them with a necked up SAUM cartridge.
Some will say waste of money, blah, blah, blah, why not just a .30 yap, yap, yap,
I say awh go sit on the porch.
The heaviest bullet so far is 198gr& has a 15cal ogive a 9 degree x .220 boat tail (cup and core)
and is 1.515 in length with a .060 meplat, anyone care to guess the BC? please...

Marshal
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  #2  
Old 10-02-2013, 08:59 PM
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Join Date: Oct 2008
Location: Alabama
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Re: The missing link

I'll bite.....What's the BC?

Also, just out of curiosity, why would you make a gap filler between the 7mm and .30 cals? They're so close alteady...
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Quote:
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The 284 is to the STW what a tricycle is to a Ninja.
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  #3  
Old 10-02-2013, 09:09 PM
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Join Date: Dec 2010
Posts: 39
Re: The missing link

The BC is not a Quiz, I was asking, lol.
.296 fills the gap just like 6.5 fills the gap between .257 and .277


Quote:
Originally Posted by MudRunner2005 View Post
I'll bite.....What's the BC?

Also, just out of curiosity, why would you make a gap filler between the 7mm and .30 cals? They're so close alteady...
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  #4  
Old 10-03-2013, 09:52 PM
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Join Date: May 2012
Location: N.D.
Posts: 2,879
Re: The missing link

smells like a good thing to do to a shot out 7mm when you don't really want to go 30... run a button through her, adjust the chamber slightly for new neck dimension, and neck up your brass for the new pills..... I'd guess the pill you mentioned to be in the .600 range for bc. but I'm in the if it's pointy it flies crowd so I really am not the perfect person to answer this.....
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  #5  
Old 01-17-2014, 03:00 PM
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Join Date: Jan 2014
Posts: 10
Re: The missing link

hey guys, we have 24 cal., 25 cal, 26 cal, 27 cal, 28 cal, and now 29 CALIBER. Im trying the ultra short action and calling it the 290 USA. Running 198 grainers at 2900 FPS. It shoots bug holes at 100 yards and 4" groups at a grand. I figure the BC on the 198s set .660 or better. i've fired nearly 800 rounds since October. Since its so fun to shoot, this baby slaps steel and probably the same on big game I can't wait to try it. matrix Ballistics for bullets, macs gunworks for rifles and barrels.
ps macs gunworks builds a precision action that fit these short mag cartridges oh ya!
trying it on 7 mag case next, calling it the 290 mag.
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  #6  
Old 01-17-2014, 04:55 PM
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Join Date: Dec 2011
Location: West Texas
Posts: 143
Re: The missing link

This could be VERY INTERESTING please keep us updated.
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  #7  
Old 01-17-2014, 05:51 PM
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Join Date: Aug 2003
Location: NC, oceanfront
Posts: 3,210
Re: The missing link

IMO, it's boring and silly without bullets..
Again my opinion; we don't need 23, 25, 27, or 29cals(odd cals), because we have all the best bullets in 22, 24, 26, 28, and 30cal(even cals).

I get a G1BC under ICAO conditions and 2900fps for that bullet as described = .672
10tw needed
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