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Double Rifles, Single Shots & Combinations >> Paradox and Bore Guns

DarylS
.700 member

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

Re: 20 ga DR build progress.
01/10/10 02:07 AM

TC - I don't think there will be any problem with lighter bullets, except they might be more difficult to find an accurate load with - hard to say. The twist is definitely geared toward heavier bullets, though.

Consider the smaller diameter of the 20 bore's rim in terms of square inches compared to a 10 bore's rim. That's where the difference in action strength comes. A 20 on the 10 bore action will handle more than the typical 11,500PSI as a regular diet. By the same token, if the 10 bore was re-barreled to something like a .22 Hornet with it's tiny rim, factory ammo could probably be fired quite safely - at 44,000PSI.(of course, the firing pin wouldn't work as it's too large and would blow primers, etc. - the point is the action would take it as the force AT the ctg. head is the deciding factor. Now, the straighter walled case results in the brass being able to adhere momentarily to the chamber walls at peak pressure which reduces bolt or action pressure, ie: bolt thrust, action thrust. The barrel must be up to the task of handling the pressure which is relieved from the action, which it usually does, in stride.
This is just one of the reasons Ed H. is getting such fantastic results with his 3 1/2" brass shotgun hulls. Minimal taper, stronger cases, stronger primers, etc.

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

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

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20 ga DR build progress.	nitro450exp	16/06/10 03:38 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	07/11/12 10:03 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	tinker	07/11/12 01:36 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DarylS	07/11/12 02:19 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	kamilaroi	07/11/12 04:56 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	12/11/12 11:20 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DUGABOY1	07/02/14 03:44 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DarylS	07/02/14 06:33 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	rigbymauser	08/02/14 03:31 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	08/02/14 06:30 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	01/06/14 11:36 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DarylS	02/06/14 01:20 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	Sarg	01/06/14 12:38 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	tinker	01/06/14 12:47 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	Sarg	02/06/14 08:13 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	tinker	02/06/14 11:53 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	17/12/14 12:23 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	04/08/17 07:57 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	17/11/17 10:54 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DarylS	18/11/17 04:58 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	Waidmannsheil	18/11/17 05:44 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	19/11/17 12:21 PM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	DarylS	20/11/17 04:11 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	93x64mm	20/11/17 08:04 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	nitro450exp	20/11/17 08:23 AM
Re: 20 ga DR, WE ARE DONE !!!!!!!!!!!!!!	Sville	01/06/14 11:53 PM
Re: 20 ga DR build progress.	nitro450exp	17/06/10 04:36 AM
Re: 20 ga DR build progress.	bonanza	17/06/10 11:54 PM
Re: 20 ga DR build progress.	nitro450exp	18/06/10 01:52 AM
Re: 20 ga DR build progress.	DarylS	19/06/10 12:57 AM
Re: 20 ga DR build progress.	nitro450exp	19/06/10 02:40 AM
Re: 20 ga DR build progress.	Birdhunter50	19/06/10 10:11 AM
Re: 20 ga DR build progress.	Al_in_Mi	20/06/10 05:23 PM
Re: 20 ga DR build progress.	nitro450exp	21/06/10 01:20 AM
Re: 20 ga DR build progress.	DarylS	21/06/10 08:08 AM
Re: 20 ga DR build progress.	nitro450exp	22/06/10 12:53 AM
Re: 20 ga DR build progress.	DarylS	23/06/10 12:28 AM
Re: 20 ga DR build progress.	nitro450exp	23/06/10 02:29 AM
Re: 20 ga DR build progress.	tinker	23/06/10 07:23 AM
Re: 20 ga DR build progress.	nitro450exp	23/06/10 10:46 PM
Re: 20 ga DR build progress.	DarylS	23/06/10 11:20 PM
Re: 20 ga DR build progress.	nitro450exp	23/06/10 11:58 PM
Re: 20 ga DR build progress.	DarylS	24/06/10 12:25 PM
Re: 20 ga DR build progress.	nitro450exp	26/06/10 01:55 AM
Re: 20 ga DR build progress.	nitro450exp	26/06/10 10:25 AM
Re: 20 ga DR build progress.	BigFiveJack	26/06/10 01:46 PM
Re: 20 ga DR build progress.	nitro450exp	28/06/10 03:24 AM
Re: 20 ga DR build progress.	DarylS	28/06/10 09:15 AM
Re: 20 ga DR build progress.	nitro450exp	28/06/10 10:22 PM
Re: 20 ga DR build progress.	DarylS	28/06/10 11:56 PM
Re: 20 ga DR build progress.	Tallchief	15/09/10 11:39 PM
Re: 20 ga DR build progress.	nitro450exp	16/09/10 12:02 AM
Re: 20 ga DR build progress.	Tallchief	16/09/10 01:06 AM
Re: 20 ga DR build progress.	Tallchief	16/09/10 02:06 AM
Re: 20 ga DR build progress.	nitro450exp	28/09/10 02:07 AM
Re: 20 ga DR build progress.	DarylS	28/09/10 09:10 AM
Re: 20 ga DR build progress.	Tallchief	29/09/10 11:40 AM
Re: 20 ga DR build progress.	DarylS	30/09/10 01:26 AM
Re: 20 ga DR build progress.	nitro450exp	30/09/10 02:00 AM
Re: 20 ga DR build progress.	tinker	30/09/10 06:32 AM
Re: 20 ga DR build progress.	Tallchief	30/09/10 09:12 AM
Re: 20 ga DR build progress.	DarylS	01/10/10 02:07 AM
Re: 20 ga DR build progress.	nitro450exp	01/10/10 05:15 AM
Re: 20 ga DR build progress.	DarylS	02/10/10 12:29 PM
Re: 20 ga DR build progress.	Tallchief	03/10/10 12:21 AM
Re: 20 ga DR build progress.	DarylS	03/10/10 12:41 AM
Re: 20 ga DR build progress.	Tallchief	03/10/10 01:22 AM
Re: 20 ga DR build progress.	apr1775	04/10/10 10:42 PM
Re: 20 ga DR build progress.	DarylS	05/10/10 02:11 AM
Re: 20 ga DR build progress.	Tallchief	05/10/10 10:25 AM
Re: 20 ga DR build progress.	Tallchief	06/10/10 10:33 AM
Re: 20 ga DR build progress.	DarylS	06/10/10 08:52 PM
Re: 20 ga DR build progress.	Tallchief	06/10/10 10:44 PM
Re: 20 ga DR build progress.	DarylS	07/10/10 03:10 AM
Re: 20 ga DR build progress.	DarylS	07/10/10 05:40 AM
Re: 20 ga DR build progress.	Tallchief	07/10/10 10:07 AM
Re: 20 ga DR build progress.	DarylS	07/10/10 11:09 AM
Re: 20 ga DR build progress.	Tallchief	07/10/10 11:17 AM
Re: 20 ga DR build progress.	DarylS	08/10/10 02:05 AM
Re: 20 ga DR build progress.	nitro450exp	27/10/10 11:19 PM
Re: 20 ga DR build progress.	Tallchief	29/10/10 12:46 PM
Re: 20 ga DR build progress.	nitro450exp	09/11/10 02:05 AM
Re: 20 ga DR build progress.	DarylS	09/11/10 02:13 AM
Re: 20 ga DR build progress.	nitro450exp	09/11/10 03:26 AM
Re: 20 ga DR build progress.	GroovyMike	10/11/10 12:01 AM
Re: 20 ga DR build progress.	Tallchief	28/11/10 03:19 AM
Re: 20 ga DR build progress.	nitro450exp	14/02/11 09:08 AM
Re: 20 ga DR build progress.	nitro450exp	20/02/11 01:26 PM
Re: 20 ga DR build progress.	nitro450exp	24/02/11 08:15 AM
Re: 20 ga DR build progress.	4seventy	24/02/11 08:19 AM
Re: 20 ga DR build progress.	DarylS	24/02/11 12:03 PM
Re: 20 ga DR build progress.	nitro450exp	26/02/11 12:23 AM
Re: 20 ga DR build progress.	DarylS	26/02/11 03:01 AM
Re: 20 ga DR build progress.	nitro450exp	03/03/11 12:53 AM
Re: 20 ga DR build progress.	DarylS	03/03/11 02:43 AM
Re: 20 ga DR build progress.	Sarg	03/03/11 11:11 AM
Re: 20 ga DR build progress.	nitro450exp	07/03/11 05:08 AM
Re: 20 ga DR build progress.	NitroX	03/04/11 02:07 AM
Re: 20 ga DR build progress.	DarylS	03/04/11 02:20 AM
Re: 20 ga DR build progress.	nitro450exp	03/04/11 03:38 AM
Re: 20 ga DR build progress.	nitro450exp	13/05/11 10:05 AM
Re: 20 ga DR build progress.	CHAPUISARMES	13/05/11 11:20 AM
Re: 20 ga DR build progress.	DarylS	13/05/11 11:48 AM
Re: 20 ga DR build progress.	nitro450exp	20/05/11 10:51 PM
Re: 20 ga DR build progress.	nitro450exp	09/06/11 12:34 PM
Re: 20 ga DR build progress.	bwanabobftw	13/06/11 10:02 PM
Re: 20 ga DR build progress.	nitro450exp	22/06/11 11:29 AM
Re: 20 ga DR build progress.	CHAPUISARMES	22/06/11 11:48 AM
Re: 20 ga DR build progress.	DarylS	23/06/11 12:57 AM
Re: 20 ga DR build progress.	nitro450exp	23/06/11 04:31 AM
Re: 20 ga DR build progress.	tinker	23/06/11 05:34 AM
Re: 20 ga DR build progress.	nitro450exp	23/06/11 11:12 PM
Re: 20 ga DR build progress.	nitro450exp	24/06/11 09:31 AM
Re: 20 ga DR build progress.	DarylS	25/06/11 02:15 AM
Re: 20 ga DR build progress.	nitro450exp	25/06/11 11:48 AM
Re: 20 ga DR build progress.	nitro450exp	07/07/11 12:31 PM
Re: 20 ga DR build progress.	Tom_H	08/07/11 04:48 AM
Re: 20 ga DR build progress.	nitro450exp	08/07/11 08:44 AM
Re: 20 ga DR build progress.	DarylS	08/07/11 11:05 AM
Re: 20 ga DR build progress.	tinker	08/07/11 03:12 PM
Re: 20 ga DR build progress.	nitro450exp	16/07/11 08:55 AM
Re: 20 ga DR build progress.	DarylS	17/07/11 04:22 AM
Re: 20 ga DR build progress.	nitro450exp	18/07/11 11:49 AM
Re: 20 ga DR build progress.	nitro450exp	19/07/11 12:04 PM
Re: 20 ga DR build progress.	CHAPUISARMES	20/07/11 12:04 PM
Re: 20 ga DR build progress.	DarylS	21/07/11 02:08 AM
Re: 20 ga DR build progress.	nitro450exp	16/08/11 10:40 AM
Re: 20 ga DR build progress.	DarylS	17/08/11 01:34 AM
Re: 20 ga DR build progress.	nitro450exp	13/09/11 11:56 AM
Re: 20 ga DR build progress.	DarylS	13/09/11 01:21 PM
Re: 20 ga DR build progress.	nitro450exp	21/09/11 11:05 AM
Re: 20 ga DR build progress.	DarylS	22/09/11 03:16 AM
Re: 20 ga DR build progress.	nitro450exp	12/10/11 01:51 PM
Re: 20 ga DR build progress.	CHAPUISARMES	12/10/11 01:58 PM
Re: 20 ga DR build progress.	bwanabobftw	14/10/11 12:32 AM
Re: 20 ga DR build progress.	DarylS	14/10/11 01:16 AM
Re: 20 ga DR build progress.	nitro450exp	18/10/11 05:36 PM
Re: 20 ga DR build progress.	tinker	19/10/11 01:52 PM
Re: 20 ga DR build progress.	kamilaroi	19/10/11 03:34 PM
Re: 20 ga DR build progress.	nitro450exp	25/10/11 03:56 AM
Re: 20 ga DR build progress.	DarylS	25/10/11 05:29 AM
Re: 20 ga DR build progress.	nitro450exp	25/10/11 06:06 AM
Re: 20 ga DR build progress.	nitro450exp	25/10/11 06:12 AM
Re: 20 ga DR build progress.	Supercracker	25/10/11 07:53 AM
Re: 20 ga DR build progress.	nitro450exp	08/11/11 01:31 AM
Re: 20 ga DR build progress.	DarylS	08/11/11 03:05 AM
Re: 20 ga DR build progress.	nitro450exp	08/11/11 12:24 PM
Re: 20 ga DR build progress.	nitro450exp	20/11/11 01:05 PM
Re: 20 ga DR build progress.	DarylS	20/03/12 05:58 AM
Re: 20 ga DR build progress.	nitro450exp	20/03/12 07:19 AM
Re: 20 ga DR build progress.	nitro450exp	02/04/12 12:44 PM
Re: 20 ga DR build progress.	tinker	02/04/12 02:02 PM
Re: 20 ga DR build progress.	nitro450exp	02/04/12 10:38 PM
Re: 20 ga DR build progress.	DarylS	03/04/12 01:28 AM
Re: 20 ga DR build progress.	tinker	03/04/12 03:30 AM
Re: 20 ga DR build progress.	nitro450exp	04/04/12 05:46 AM
Re: 20 ga DR build progress.	nitro450exp	06/07/12 06:34 AM
Re: 20 ga DR build progress.	DarylS	06/07/12 08:31 AM
Re: 20 ga DR build progress.	nitro450exp	06/07/12 10:52 AM
Re: 20 ga DR build progress.	DarylS	07/07/12 01:52 AM
Re: 20 ga DR build progress.	nitro450exp	25/08/12 01:47 AM
Re: 20 ga DR build progress.	tinker	28/08/12 12:57 AM
Re: 20 ga DR build progress.	nitro450exp	01/09/12 12:56 AM
Re: 20 ga DR build progress.	nitro450exp	18/09/12 03:12 AM
Re: 20 ga DR build progress.	tinker	18/09/12 03:27 AM
Re: 20 ga DR build progress.	nitro450exp	25/09/12 10:29 AM
Re: 20 ga DR build progress.	nitro450exp	22/10/12 11:24 PM
Re: 20 ga DR build progress.	DarylS	23/10/12 01:23 AM
Re: 20 ga DR build progress.	Sniper	23/10/12 10:05 PM
Re: 20 ga DR build progress.	nitro450exp	24/10/12 11:50 PM
Re: 20 ga DR build progress.	DarylS	18/09/12 03:26 AM
Re: 20 ga DR build progress.	CHAPUISARMES	20/11/11 01:18 PM
Re: 20 ga DR build progress.	nitro450exp	26/11/11 02:32 PM
Re: 20 ga DR build progress.	tinker	26/11/11 02:45 PM
Re: 20 ga DR build progress.	nitro450exp	26/11/11 03:44 PM
Re: 20 ga DR build progress.	DarylS	27/11/11 08:57 AM
Re: 20 ga DR build progress.	nitro450exp	05/12/11 05:25 AM
Re: 20 ga DR build progress.	nitro450exp	06/12/11 11:31 AM
Re: 20 ga DR build progress.	Tom_H	08/12/11 12:03 PM
Re: 20 ga DR build progress.	Tom_H	08/12/11 12:11 PM
Re: 20 ga DR build progress.	500grains	08/12/11 01:45 PM
Re: 20 ga DR build progress.	DarylS	08/12/11 01:57 PM
Re: 20 ga DR build progress.	nitro450exp	10/12/11 02:56 AM
Re: 20 ga DR build progress.	DarylS	10/12/11 05:05 AM
Re: 20 ga DR build progress.	nitro450exp	18/01/12 12:51 PM
Re: 20 ga DR build progress.	tinker	18/01/12 01:25 PM
Re: 20 ga DR build progress.	DarylS	19/01/12 04:17 AM
Re: 20 ga DR build progress.	nitro450exp	19/01/12 09:50 AM
Re: 20 ga DR build progress.	nitro450exp	20/03/12 04:54 AM
Re: 20 ga DR build progress.	tinker	20/03/12 05:29 AM
Re: 20 ga DR build progress.	Supercracker	25/10/11 06:02 AM
Re: 20 ga DR build progress.	Tom_H	17/07/11 04:20 AM
Re: 20 ga DR build progress.	tinker	22/06/11 11:46 AM
Re: 20 ga DR build progress.	nitro450exp	03/04/11 01:47 AM
Re: 20 ga DR build progress.	Tallchief	02/10/10 10:23 AM
Re: 20 ga DR build progress.	DarylS	17/09/10 08:41 AM
Re: 20 ga DR build progress.	nitro450exp	29/06/10 02:27 AM
Re: 20 ga DR build progress.	DarylS	30/06/10 01:08 AM
Re: 20 ga DR build progress.	nitro450exp	30/06/10 02:59 AM
Re: 20 ga DR build progress.	Tom_H	04/07/10 01:40 PM
Re: 20 ga DR build progress.	jaz	04/07/10 08:38 PM
Re: 20 ga DR build progress.	nitro450exp	05/07/10 08:13 AM
Re: 20 ga DR build progress.	nitro450exp	15/07/10 03:11 AM
Re: 20 ga DR build progress.	nitro450exp	22/07/10 03:49 AM
Re: 20 ga DR build progress.	DarylS	22/07/10 03:21 PM
Re: 20 ga DR build progress.	nitro450exp	28/07/10 02:31 AM
Re: 20 ga DR build progress.	nitro450exp	12/08/10 10:53 PM
Re: 20 ga DR build progress.	nitro450exp	17/08/10 06:41 AM
Re: 20 ga DR build progress.	DarylS	18/08/10 12:11 AM
Re: 20 ga DR build progress.	nitro450exp	18/08/10 01:00 AM
Re: 20 ga DR build progress.	tinker	18/08/10 02:49 AM
Re: 20 ga DR build progress.	nitro450exp	18/08/10 03:29 AM
Re: 20 ga DR build progress.	DarylS	20/08/10 03:09 AM
Re: 20 ga DR build progress.	nitro450exp	20/08/10 10:34 PM
Re: 20 ga DR build progress.	DarylS	20/08/10 11:56 PM
Re: 20 ga DR build progress.	nitro450exp	08/09/10 12:27 AM
Re: 20 ga DR build progress.	DarylS	08/09/10 06:42 AM

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