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

DarylS
.700 member

Reged: 10/08/05
Posts: 26514
Loc: Beautiful British Columbia, Ca...

Re: black powder .303
11/05/16 03:02 AM

That would be frustrating, for sure. Happened to me with my first Sharps.

The .303 BP ctgs. would have to have all full diameter bullet measurements inside the case. With black powder ctgs. throat fouling buildup will prevent too large a bullet from entering. Also, if the case does not seal the chamber area (obturate to seal) the fouling back-flow can impinge on the case chambering as well.

I am not aware of any available cast bullet designs for the .303 specifically designed for black powder. Black powder designed bullet moulds have mulitiple square bottomed grooves to hold as much lube as possible, or are paper patched designs meant to use a lube cookie underneath. The lack of lubrication to keep the fouling soft for subsequent loads, prevents repeated firing without wiping/cleaning the chamber and bore out, sometimes every shot- depending on the load and bullet.

The round/ctg.(.303) may have been designed as a black powder cartridge originally, but for black powder as loaded today, it is a lousy design. Better designs have longer necks to contain long grooved bullets & lots of lube - as in some of the English BP rounds, 450/400 for instance, or even the .43 or 11mm Mauser ctg. A lube cookie helps with paper patched bullets, as well as a "moist burning" powder, quite unlike the available black powder today.

--------------------
Daryl

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

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Subject	Posted by	Posted on
black powder .303	ducmarc	26/04/16 12:26 PM
Re: black powder .303	Huvius	26/04/16 11:22 PM
Re: black powder .303	DarylS	27/04/16 10:41 AM
Re: black powder .303	ducmarc	29/04/16 12:57 PM
Re: black powder .303	Iowa_303s	29/04/16 09:30 PM
Re: black powder .303	Huvius	29/04/16 09:56 PM
Re: black powder .303	DarylS	30/04/16 02:21 AM
Re: black powder .303	ducmarc	02/05/16 12:03 PM
Re: black powder .303	Iowa_303s	02/05/16 12:58 PM
Re: black powder .303	DarylS	02/05/16 01:10 PM
Re: black powder .303	ducmarc	03/05/16 12:52 PM
Re: black powder .303	Brithunter	10/05/16 09:35 PM
Re: black powder .303	DarylS	11/05/16 03:02 AM
Re: black powder .303	TH44	16/05/16 08:58 AM
Re: black powder .303	DarylS	16/05/16 09:11 AM
Re: black powder .303	lonewulf	16/05/16 10:43 AM
Re: black powder .303	DarylS	17/05/16 12:24 AM
Re: black powder .303	lonewulf	17/05/16 08:51 AM
Re: black powder .303	TH44	16/05/16 11:25 AM

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