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Double Rifles, Single Shots & Combinations >> Double Rifles

Marrakai
.416 member

Reged: 09/01/03
Posts: 3488
Loc: Darwin, Top End of Australia

Re: .577 Black powder express hammer gun
10/12/14 11:36 PM

470NEBD:
Remember that in almost all cases with correctly-designed bullets (hard-cast, paper-patched or thin jacket), the Nitro-for-Black load is understood to generate less chamber pressure that the original BP load. ...and with heavier bullets!
You may well be doing any BP rifle a big favor by feeding it with an appropriate light nitro load.
Read Wrighty's book "Shooting the British Double Rifle" for the inside skinny on this.

In my experience with a number of vintage doubles, the rifling twist-rate is never a consideration.

Hope this helps

--------------------
Marrakai
When the bull drops, the bullshit stops!
--------------------------------
www.marrakai-adventure.com.au

Post Extras

Entire topic
Subject	Posted by	Posted on
.577 Black powder express hammer gun	470NEBD	09/12/14 08:42 AM
Re: .577 Black powder express hammer gun	AkMike	10/12/14 08:15 PM
Re: .577 Black powder express hammer gun	Marrakai	10/12/14 11:36 PM
Re: .577 Black powder express hammer gun	rigbymauser	13/12/14 12:19 AM
Re: .577 Black powder express hammer gun	TH44	13/12/14 10:38 AM
Re: .577 Black powder express hammer gun	TH44	13/12/14 10:45 AM
Re: .577 Black powder express hammer gun	CptCurl	13/12/14 11:41 PM
Re: .577 Black powder express hammer gun	calpappas	16/02/15 01:49 PM
Re: .577 Black powder express hammer gun	AkMike	16/02/15 04:48 PM
Re: .577 Black powder express hammer gun	jgrabow	04/07/15 06:16 AM
Re: .577 Black powder express hammer gun	TH44	04/07/15 08:31 AM
Re: .577 Black powder express hammer gun	Bidgee	04/07/15 08:55 AM
Re: .577 Black powder express hammer gun	bouldersmith	05/07/15 11:13 PM
Re: .577 Black powder express hammer gun	CptCurl	10/12/14 12:59 PM
Re: .577 Black powder express hammer gun	CptCurl	09/12/14 09:41 AM
Re: .577 Black powder express hammer gun	tinker	09/12/14 04:43 PM
Re: .577 Black powder express hammer gun	470evans	10/12/14 08:50 AM
Re: .577 Black powder express hammer gun	470NEBD	10/12/14 09:39 AM

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