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338 cal bullet "proto type"

 
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  #1  
Old 11-29-2006, 01:02 PM
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338 cal bullet \"proto type\"

I have been working on a new bullet for the big case 338 magnums, (It will be offered with my 338 Snipe-Tac loaded ammo). A specialty bullet for long range shooting, target version and a hunting (expanding) type. In no way am i tring to compete with the Sierra Match King, just am fiddling around with something different. The first prototype off the lathe for testing is a turned brass bullet, 1.995" long, driving bands, boat tailed. The weight ended up at 289 grains. I will experiment with a lighter bullet, in the 250-275grn range. With the driving bands the bearing surface has been reduced for less friction = increased speed. The bullet ogive is similar to the match king, only with a more slender tip. I will be testing different materials later on. This is a winter project with a friend who has purchased a Precision Hardinge Chucker Lathe, If all works out there might be other cal. bullets avalible.

Testing will start soon, groups and velocity.

Here are a few pics...
[image]http://[/image]

On top is the prototype 289grn bullet, bottom is a 300MK

[image][/image]

Loaded 338 Snipe-Tac (338-408Imp) with the 289grn bullet.
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Old 11-29-2006, 01:07 PM
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Re: 338 cal bullet \"proto type\"

Dave, beautiful bullet, hope this works out [img]/ubbthreads/images/graemlins/wink.gif[/img]

JB
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Old 11-29-2006, 02:03 PM
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Re: 338 cal bullet \"proto type\"

Looks like it should fly a hell of a lot better then that 300g SMK. Im interested to see what it does when you get to shooting those bullets downrange. Pretty cool to be able to make your own bullets!
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Old 11-29-2006, 03:09 PM
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Re: 338 cal bullet \"proto type\"

after flinging a few rounds down field you'll have to tell us the results. Accuracy, bc, the hole nine yards. [img]/ubbthreads/images/graemlins/wink.gif[/img] Make sure you test them at more than nine yards though.
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Old 11-29-2006, 05:27 PM
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Re: 338 cal bullet \"proto type\"

Great looking bullet. Good luck with the project.
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Old 11-29-2006, 06:24 PM
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Re: 338 cal bullet \"proto type\"

Hi Awsome looking bullet what twist do you think it will require and do you think it will work in true 338 bores or will it have to go in a barrel designed for the Lost River bullets?

I would love it if i could get one sent to me to have a look at and how well would you think they would go in a 338BR

Cheers Bill
Australia
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Old 11-29-2006, 06:45 PM
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Re: 338 cal bullet \"proto type\"

Wild Bill,

With the proper design of the driving bands they should work in any std bore. I will be testing them in a Lawton 11.25" twist and a Mike Rock 10" twist. looks like 10"-12" twist rates will be the spectrum. Lost river bores are only .0002 oversized .3382 is the 338 LRB bore size. I'm sure there will be changes along the way. When i get some extras in stock i can send you one to ponder over.

Dave
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