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Shooting & Reloading - Mausers, Big Bores and others >> Muzzleloaders & Blackpowder

DarylS
.700 member

Reged: 10/08/05
Posts: 26516
Loc: Beautiful British Columbia, Ca...

Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!
24/12/09 11:02 AM

Either a 75" or 86" twist .004" deep rifling in the .72 will shoot just fine with most loads you are likely to shoot - if the load is tight enough. It usually takes someone of experience in muzzleloading shooting to be able to load the combination I am referring to. You cannot load a tight load in any Pedersoli rifle without re-crowning the muzzle. The edges are too sharp and need to be smoothed with emery cloth or paper. The end of your thumb is the correct shape for this - rotating your thumb shoved into the muzzle and rotating the barrel periodically to ensure your 'grinding' is symetrical.

This rifle sounds interesting and front and rear sights, if not screwed into the barrel, are easily replaced with good dovetailed sights and leave no trace Pedersoli origninally put stupid sights on it. Google "express sights" to find a good set. There are a number suppliers of a variety of sights. I suggest a standing sight with 1 or 2 leafs.

It takes a considerable quantity of powder to exceed about 12,000PSI in a 12 bore - most likely more than you'd want to fire in a 9 pound rifle. Now, what the Italian proofs for max charges are, I don't know. Any time you go above recommended charges, which guys I know do in the doubles, you are on your own.

WW balls only cast a thou or thou and 1/2 larger than pure lead. The reason they are difficult to load is they are toohard to engrave by the lands, and the grooves are very shallow, not giving much room for the cloth.

I would suggest a .705" to .710" mould from Jeff Tanner & you should be able to load both WW or pure lead balls from it with a .015" to .020" patch. I am suggesting the smaller ball due to the shallow rifling and the need for a thick enough patch to hold substancial lube for keeping the fouling soft. Panty material (thin) does not make good patch material, btw.

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

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

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Subject	Posted by	Posted on
New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	tino	11/04/09 03:28 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Kaimiloa	12/04/09 07:32 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Dphariss	16/04/09 07:27 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	kuduae	08/07/10 07:23 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	08/01/14 04:46 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	08/01/14 05:46 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	08/01/14 06:25 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	08/01/14 06:53 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	08/01/14 07:37 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	31/10/14 01:35 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	szihn	01/11/14 01:42 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	01/11/14 02:05 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	01/11/14 02:31 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	01/11/14 06:36 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	szihn	02/11/14 01:37 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	02/11/14 03:46 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	17/11/14 03:16 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	17/11/14 04:26 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Iowa_303s	17/11/14 01:39 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	17/11/14 03:36 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Huvius	30/12/14 02:48 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Kynoch	17/04/09 02:15 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	szihn	19/04/09 12:25 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	19/04/09 10:29 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Otto	24/12/09 09:21 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	24/12/09 11:02 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Otto	25/12/09 12:19 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Tatume	25/12/09 01:41 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	25/12/09 03:07 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	beleg2	26/12/09 03:15 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	26/12/09 03:32 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	beleg2	26/12/09 04:58 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	02/01/10 02:30 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	12/04/09 01:44 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	Paul	02/01/10 10:00 PM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	10/01/10 01:35 AM
Re: New Pedersoli Gibbs Afrcan Hunter .72 Rifle!	DarylS	10/01/10 02:24 AM

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