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Shooting & Reloading - Mausers, Big Bores and others >> Cast Bullets

VonGruff
.400 member

Reged: 08/02/09
Posts: 1119
Loc: South Otago, New Zealand.

Re: Cast 7x57 (Boolits) Bullets
27/04/11 06:19 PM

I dont crimp on these loads as there is no benefit. I have tried crimp and no crimp and it makes no difference as far as hunting accuracy. As said above I use various alloys and like to have as little as 1 thou grip, but having said that I have the bore riding portion of the boolit at .0005 larger than bore, so size down enough of the nose by .0005 so that when the cartridge is seated in the chamber there is the start of bore engagement to enhance accuracy. With the final part of bolt turn down I can just feel the egagement and if I eject the cartridge there is just a mm or 2 of engagement mark on the transition between the sized part of the nose and the unsized part.

My lube is red because I throw a couple of builders crayons in the pot when I do a melt and make the lube sticks.

Von Gruff.

--------------------
Von Gruff.

Exodus 20:1-17

Acts 4:10-12

Edited by VonGruff (27/04/11 06:22 PM)

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Entire topic
Subject	Posted by	Posted on
Cast 7x57 (Boolits) Bullets	tophet1	26/04/11 03:59 PM
Re: Cast 7x57 (Boolits) Bullets	450_Ackley	26/04/11 04:59 PM
Re: Cast 7x57 (Boolits) Bullets	tophet1	26/04/11 06:00 PM
Re: Cast 7x57 (Boolits) Bullets	FATBOY404	26/04/11 08:03 PM
Re: Cast 7x57 (Boolits) Bullets	DarylS	27/04/11 01:45 AM
Re: Cast 7x57 (Boolits) Bullets	VonGruff	27/04/11 03:40 AM
Re: Cast 7x57 (Boolits) Bullets	FATBOY404	27/04/11 06:20 AM
Re: Cast 7x57 (Boolits) Bullets	450_Ackley	27/04/11 06:46 AM
Re: Cast 7x57 (Boolits) Bullets	tophet1	27/04/11 08:41 AM
Re: Cast 7x57 (Boolits) Bullets	VonGruff	27/04/11 06:19 PM

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