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Boosting BC of commerical bullets.....

 
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  #57  
Old 03-21-2013, 10:30 AM
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Re: Boosting BC of commerical bullets.....

I wish that Sierra still made their big 155 gr SMK. That bullet with this tip would have had a great BC, plenty of bullet weight and affordable in price.
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Kirby Allen(50)

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  #58  
Old 03-21-2013, 10:50 AM
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Re: Boosting BC of commerical bullets.....

Quote:
Originally Posted by Fiftydriver View Post
I wish that Sierra still made their big 155 gr SMK. That bullet with this tip would have had a great BC, plenty of bullet weight and affordable in price.

Dang, that would be slick wouldn't it. I had forgotten about the 155 SMK.


t
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  #59  
Old 03-21-2013, 02:23 PM
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Re: Boosting BC of commerical bullets.....

Hornady still offers the 160 gr Interlock .. although it does not have a boat tail and the round nose looks a bit short and abrupt in ogive taper giving it a long bearing surface .....
would this bullet be a candidate ? It has an impressive SD but could use some help with a bc upgrade

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  #60  
Old 03-21-2013, 02:48 PM
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Re: Boosting BC of commerical bullets.....




Dont forget the Woodleigh bullet. It actually shoots great in my 6.5WSM as is..

MM
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  #61  
Old 03-21-2013, 03:32 PM
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Re: Boosting BC of commerical bullets.....

There is close to an endless list of potential bullets that we can improve on. The trick is in the process so that all can be modified with these tips.

Oh, and the time to do it......
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Kirby Allen(50)

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  #62  
Old 03-25-2013, 09:57 PM
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Re: Boosting BC of commerical bullets.....

Kirby.....ain't it fun! you sound like my kinda guy I started making my own bullets about 7 or 8 years ago and soon realized the need for a ballistic tip. The first ones I changed were my own. I stole the tips out of my 17 HMR ammo (hornady) and figured out a way to insert them into my bullets in the final point forming process. The results were amazing not only with b.c. but long range performance (expansion). I also made rebated boatails with secant ogives out of SMK's and added a ballistic tip to them as well. It makes an entirely different animal out a std. SMK! I think you are really on to something as MOST of the so called long range hunting bullets fall short because they lack low end expansion and when you can add b.c. to boot; why not! I use a jacket serrator in mine as well when I really want them to open easily. Some of the bullet makers use a lead allow to help control expansion rather than do it with a thicker jacket but this is not the correct approach IMO. I like the solid lead cores which are more mallable and yet expand easier. Keep up the good work!.....rich
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  #63  
Old 03-25-2013, 11:34 PM
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Re: Boosting BC of commerical bullets.....

Quote:
Originally Posted by Fiftydriver View Post
The trick is in the process so that all can be modified with these tips.

Oh, and the time to do it......
"these tips" ???

Someone needs to come up with other choices! And that isn't easy, or inexpensive or non-time consuming. I know!

One tip fits all isn't the best solution to boosting bc. Fitting Corbin's AL tips replaces heavier lead and jacket material aluminum. The smaller the caliber the more heavier material with lighter material.

My bc boost efforts (successful ones ) were with a brass point with a press fit stepped shank into Nosler Accubonds and Ballistic Tips. Base of the point is 0.182" and a meplate of 0.030"

Brass is a bit heavier than aluminum resulting 130/140/150 retipped being nearly 9 grains heavier.

Also $0.85 each is a bit much. One of us had some made and ended up with a $0.77 each cost which in my opinion is also too steep for the typical LR shooter.

Having said that if one of you "Sharks " chips in $15,000.00 I get you more brass tips/points than could ever be use of a specific design. That's the best quote I could get However, I haven't given up. . .
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