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Shooting & Reloading - Mausers, Big Bores and others >> Cast Bullets
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Smoke73
.300 member


Reged: 30/05/11
Posts: 164
Loc: Rocky Mtn. House Alberta
.395" for a 450/400
      #203568 - 24/02/12 04:15 PM

Was recently given two .395 cal barrels to do with as I please. I am in search of a projectile so have been looking at a cast mold from mountain molds. These barrels have a 1-12 twist and are .388" on the lands. I do realize I will need a custom reamer, dies and mould so I'm not sure who got the best of this deal. I need help with bullet design and am even considering paper patch as it will simplify the equipment needed. Help??!!!??

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Your not tired, you just think your tired, you don't even know what the hell tired is.- Garth Ahlstrom (Thanx Dad love ya)

"When one of them is born, their god says ' Go in peace.'
When one of us is born our Gods say "Go hunting."- J. Emmett Willie

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500Nitro
.450 member


Reged: 06/01/03
Posts: 7244
Loc: Victoria, Australia
Re: .395" for a 450/400 [Re: Smoke73]
      #203570 - 24/02/12 04:30 PM


CBE - Cast Bullet Engineering.

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DarylSModerator
.700 member


Reged: 10/08/05
Posts: 26994
Loc: Beautiful British Columbia, Ca...
Re: .395" for a 450/400 [Re: 500Nitro]
      #203622 - 25/02/12 03:08 AM

Wierd sizes.

I might think along the lines of a necked-down .45 2.4" case. Purchasing a "chucking' reamer for the chamber's neck can cut costs of a neck throater, down to just a throating reamer. Anohter idea is perhaps they or you could grind another groove diameter sized chucking reamer with a 3 or 4 degree angle for the throat. It would need a pilot. That work is beyond me, merely a suggestion of what 'could/might' work.

Just trying to cut costs, as usual.

With the above, your existing .375/2.4" reamer could be used with a proper sized pilot to cut the chamber.

A mould for the 12" twist would be anything from 300gr. that would run about 2,400fps to a 400gr. at just over 2,000fps or 2,100fps. Paper patched would easily allow full speed loads without using anything harder than WW alloys.

A lubed, paper patched bullet should give up to 100fps higher speed over a jacketed bullet's velocity, same load.

For high speed loads, the paper patch bullet mould should cast right at .388" to perhaps .390" max., I believe.

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Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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JFE
.224 member


Reged: 03/06/07
Posts: 46
Loc: Vic, Australia
Re: .395" for a 450/400 [Re: Smoke73]
      #203799 - 26/02/12 05:40 PM

In case you are not aware, there are a few threads on Accuratereloading.com on this bore size. It might save you re-inventing the wheel and save you some money and grief.

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Smoke73
.300 member


Reged: 30/05/11
Posts: 164
Loc: Rocky Mtn. House Alberta
Re: .395" for a 450/400 [Re: JFE]
      #203840 - 27/02/12 02:33 AM

Thanx I'll check it out

--------------------
Your not tired, you just think your tired, you don't even know what the hell tired is.- Garth Ahlstrom (Thanx Dad love ya)

"When one of them is born, their god says ' Go in peace.'
When one of us is born our Gods say "Go hunting."- J. Emmett Willie

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AkMike
.416 member


Reged: 19/11/05
Posts: 2576
Loc: Anchorage, Alaska
Re: .395" for a 450/400 [Re: Smoke73]
      #203882 - 27/02/12 07:35 AM

For custom sized molds or normal ones check in with Tom at Accuratemolds.com


Top quality, fast service and VERY reasonable costs!

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"When you see that in order to produce, you need to obtain permission from men who produce nothing; when you see that money is flowing to those who deal not in goods, but in favors; you may know that your society is doomed." Ayn Rand

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