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Double Rifles, Single Shots & Combinations >> Double Rifles

Judson
.300 member


Reged: 21/09/05
Posts: 192
Loc: St. Albans Maine U.S.A.
Re: Long shotgun actions
      05/03/06 12:03 PM


In reality those gas groves do very little in the event of a blown primer or case seperation. The idea is good but in practice the groves too small and shallow. If they were deep enough and located properly then they might help some but would in them selves cause problems with un suported sections of the case and primer. In the pictures it lookes like a ring around the primmer. If the firing pin punches through the primmer then the gas is vented into the hole surounding the firing pin and not to the vent ring around the primer. If the vent ring had a line cut to the center of the firing pin hole this would leave the primer unsuported in this area and would allow the primer to flow back into this cut causing the rifle to be hard opening at best and allowing the primmer to blow along this line at worst. The grove from the ring around the primmer to the out side of the breach is far too narrow and shallow to allow the volume of gas fron a blown case to escape quickly. These features may help some but not enough!!! The hole idea is not to blow primers or cases and with modern components it one sticks to the proper loadings this is not a problem. Think about it, with modern rifles firing either good, sane hand loads or factory ammo, when was the last time you saw a blown primmer? Also with the pressures double rifles are built to take using magnum primmers drastically reduces this problem.
Most of these problems date back to the cordite days and though worth keeping in mind are not much of a problem today.

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It is the small calibers that are the biggest bores.

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Subject Posted by Posted on
* Building a double rifle Judson 12/10/05 07:07 AM
. * * Re: Building a double rifle DoubleD   12/04/06 04:18 AM
. * * Re: Building a double rifle AkMike   12/04/06 04:04 PM
. * * Re: Building a double rifle DoubleD   13/04/06 01:06 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 05:48 AM
. * * Re: Building a double rifle Judson   14/04/06 08:14 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 08:52 AM
. * * Re: Building a double rifle Judson   14/04/06 09:48 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 11:28 AM
. * * Re: Building a double rifle Judson   15/04/06 08:59 AM
. * * Re: Building a double rifle NE450No2   14/04/06 02:05 PM
. * * Re: Building a double rifle Judson   16/04/06 11:10 AM
. * * Re: Building a double rifle DoubleD   16/04/06 08:43 PM
. * * Re: Building a double rifle Judson   17/04/06 08:39 AM
. * * Re: Building a double rifle BlainSmipy   20/05/06 02:47 AM
. * * Re: Building a double rifle Judson   20/05/06 07:55 AM
. * * Re: Building a double rifle Judson   19/05/06 06:02 AM
. * * Re: Building a double rifle 500Nitro   16/04/06 09:10 PM
. * * Re: Building a double rifle banzaibird   17/04/06 01:08 AM
. * * Re: Building a double rifle BlainSmipy   20/05/06 02:25 PM
. * * Re: Building a double rifle DoubleD   17/04/06 03:29 AM
. * * Re: Building a double rifle Judson   15/04/06 09:07 AM
. * * Re: Building a double rifle 500Nitro   15/04/06 10:07 AM
. * * Re: Building a double rifle Judson   16/04/06 11:05 AM
. * * Re: Building a double rifle 577500WR   15/04/06 10:49 AM
. * * Re: Building a double rifle 500Nitro   15/04/06 12:10 PM
. * * Re: Building a double rifle tinker   14/04/06 09:04 AM
. * * Re: Building a double rifle banzaibird   14/04/06 06:41 AM
. * * Re: Building a double rifle Judson   12/04/06 09:17 AM
. * * Re: Building a double rifle DoubleD   12/04/06 03:30 PM
. * * Re: Building a double rifle MauserRifle   12/10/05 11:41 AM
. * * Re: Building a double rifle Judson   13/10/05 08:39 AM
. * * Re: Building a double rifle 500Nitro   13/10/05 08:47 AM
. * * Re: Building a double rifle Judson   13/10/05 09:54 AM
. * * Re: Building a double rifle Daryl_S   14/10/05 03:04 AM
. * * Re: Building a double rifle Judson   14/10/05 09:22 AM
. * * Re: Building a double rifle Judson   16/10/05 08:39 AM
. * * Re: Building a double rifle Marrakai   16/10/05 12:03 PM
. * * Re: Building a double rifle Judson   17/10/05 10:12 AM
. * * Re: Building a double rifle Judson   17/10/05 10:49 AM
. * * Re: Building a double rifle NE450No2   17/10/05 04:27 PM
. * * Re: Building a double rifle Judson   18/10/05 09:14 AM
. * * Re: Building a double rifle JPeterson   18/10/05 09:34 AM
. * * Re: Building a double rifle NE450No2   18/10/05 06:08 PM
. * * Re: Building a double rifle Marrakai   18/10/05 07:08 PM
. * * Re: Building a double rifle Judson   19/10/05 07:52 AM
. * * Re: Building a double rifle Judson   20/10/05 08:21 AM
. * * Re: Building a double rifle nopride2   23/10/05 12:26 PM
. * * Re: Building a double rifle MauserRifle   20/10/05 11:20 AM
. * * Re: Building a double rifle Judson   22/10/05 08:54 AM
. * * Re: Building a double rifle pwm   23/10/05 03:53 AM
. * * Re: Building a double rifle Daryl_S   23/10/05 04:08 AM
. * * Re: Building a double rifle Judson   23/10/05 09:08 AM
. * * Re: Building a double rifle mehulkamdar   23/10/05 01:47 PM
. * * Re: Building a double rifle mickeyModerator   23/10/05 02:41 PM
. * * Re: Building a double rifle Judson   23/10/05 10:04 PM
. * * Re: Building a double rifle Judson   24/10/05 10:44 AM
. * * Re: Building a double rifle Judson   25/10/05 08:06 AM
. * * Re: Building a double rifle Judson   28/10/05 08:34 AM
. * * Re: Building a double rifle MauserRifle   28/10/05 11:35 AM
. * * Re: Building a double rifle Judson   31/10/05 11:24 AM
. * * Re: Building a double rifle Marrakai   31/10/05 02:25 PM
. * * Re: Building a double rifle Judson   01/11/05 11:05 AM
. * * Re: Building a double rifle mehulkamdar   04/11/05 01:53 PM
. * * Re: Building a double rifle Judson   04/11/05 10:52 AM
. * * Re: Building a double rifle Chasseur   04/11/05 02:33 PM
. * * Re: Building a double rifle mickeyModerator   04/11/05 02:48 PM
. * * Re: Building a double rifle Judson   05/11/05 09:35 AM
. * * Re: Building a double rifle MauserRifle   05/11/05 12:39 PM
. * * Re: Building a double rifle Judson   06/11/05 11:13 AM
. * * Re: Building a double rifle tinker   06/11/05 11:42 AM
. * * Re: Building a double rifle Judson   10/11/05 10:39 AM
. * * Re: Building a double rifle doublegunfan   12/11/05 06:06 AM
. * * Re: Building a double rifle Judson   12/11/05 11:16 AM
. * * Re: Building a double rifle Judson   12/02/06 10:59 AM
. * * Re: Building a double rifle banzaibird   05/11/05 09:45 AM
. * * Re: Building a double rifle BlainSmipy   14/02/06 04:27 AM
. * * Re: Building a double rifle banzaibird   14/02/06 05:03 AM
. * * 500NE BlainSmipy   16/02/06 01:45 AM
. * * Re: Building a double rifle Judson   19/02/06 12:05 PM
. * * 9.3x74R BlainSmipy   20/02/06 05:09 AM
. * * Re: Building a double rifle Judson   20/02/06 12:45 PM
. * * Re: Building a double rifle Marrakai   20/02/06 02:53 PM
. * * Re: Building a double rifle bonanza   24/02/06 08:48 AM
. * * Re: Building a double rifle Marrakai   24/02/06 03:44 PM
. * * 470 NE Loads BlainSmipy   25/02/06 03:48 AM
. * * Long shotgun actions tinker   24/02/06 04:28 PM
. * * Re: Long shotgun actions Marrakai   24/02/06 09:35 PM
. * * Re: Long shotgun actions BlainSmipy   04/03/06 11:24 AM
. * * Re: Long shotgun actions Marrakai   04/03/06 10:55 PM
. * * Re: Long shotgun actions tinker   05/03/06 03:13 AM
. * * Re: Long shotgun actions Judson   05/03/06 12:03 PM
. * * Re: Long shotgun actions 500Nitro   05/03/06 12:53 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 12:50 PM
. * * Re: Long shotgun actions BlainSmipy   05/03/06 02:19 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 05:50 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 09:37 PM
. * * Re: Long shotgun actions banzaibird   06/03/06 01:08 AM
. * * Re: Long shotgun actions oupa   14/03/06 02:21 PM
. * * Re: Long shotgun actions 4seventyModerator   14/03/06 05:23 PM
. * * Re: Long shotgun actions Marrakai   06/03/06 07:32 PM
. * * Re: Long shotgun actions banzaibird   07/03/06 12:59 AM
. * * Re: Long shotgun actions doublegunfan   06/03/06 01:37 AM
. * * Re: Long shotgun actions Judson   09/03/06 12:12 PM
. * * Re: Long shotgun actions BlainSmipy   09/03/06 06:06 PM
. * * Re: Long shotgun actions Judson   14/03/06 01:28 PM
. * * Hollis 500/450 BlainSmipy   15/03/06 03:57 AM
. * * Re: 50-90 Regulation load and update Judson   15/03/06 11:02 AM
. * * Re: 50-90 Regulation load and update Judson   15/03/06 11:43 AM
. * * This new action... tinker   15/03/06 12:15 PM
. * * Re: This new action... Judson   16/03/06 11:59 AM
. * * Re: This new action... banzaibird   16/03/06 01:18 PM
. * * Re: This new action... Judson   16/03/06 01:53 PM
. * * Re: This new action... banzaibird   17/03/06 10:52 AM
. * * Re: This new action... banzaibird   17/03/06 10:51 AM
. * * Re: This new action... Judson   18/03/06 11:08 AM
. * * Re: This new action... banzaibird   18/03/06 01:04 PM
. * * Re: This new action... Judson   18/03/06 04:54 PM
. * * Re: This new action... WildCattle   03/04/06 02:27 PM
. * * Re: This new action... BlainSmipy   19/03/06 01:11 AM
. * * Re: This new action... Judson   19/03/06 10:20 AM
. * * Re: This new action... banzaibird   19/03/06 11:23 AM
. * * Re: This new action... Judson   03/04/06 12:06 PM
. * * Re: This new action... banzaibird   04/04/06 11:49 AM
. * * Re: This new action... Judson   06/04/06 08:42 AM
. * * Re: This new action... BlainSmipy   04/04/06 12:23 PM
. * * Checkering... tinker   03/04/06 12:24 PM
. * * Re: This new action... CptCurlAdministrator   19/03/06 03:40 AM
. * * Re: 50-90 Regulation load and update Daryl_S   15/03/06 05:08 AM
. * * 465NE BlainSmipy   06/03/06 04:34 AM
. * * Re: Long shotgun actions doublegunfan   07/03/06 01:23 AM
. * * Hollis 500/450 BlainSmipy   07/03/06 05:12 AM
. * * Re: Long shotgun actions Judson   07/03/06 09:22 AM
. * * Re: Long shotgun actions BlainSmipy   07/03/06 11:25 AM
. * * Re: Long shotgun actions Marrakai   07/03/06 10:06 PM
. * * Re: Long shotgun actions BlainSmipy   08/03/06 03:31 AM
. * * Re: Long shotgun actions Marrakai   08/03/06 02:59 PM
. * * 500NE BlainSmipy   08/03/06 07:19 PM
. * * Re: Long shotgun actions tinker   08/03/06 03:55 PM
. * * Re: Long shotgun actions Marrakai   08/03/06 09:56 PM
. * * Re: Long shotgun actions Daryl_S   09/03/06 07:24 AM
. * * Re: Long shotgun actions banzaibird   08/03/06 03:54 AM
. * * 475NE BlainSmipy   08/03/06 05:24 AM
. * * Merkel 470 BlainSmipy   08/03/06 10:24 AM
. * * Re: Long shotgun actions Grizzly   08/03/06 10:39 AM
. * * Re: Long shotgun actions Daryl_S   08/03/06 05:54 AM
. * * Re: Long shotgun actions bonanza   08/03/06 06:07 AM
. * * Striker bushings, questions of safety... tinker   06/03/06 03:22 AM
. * * Re: Long shotgun actions BlainSmipy   05/03/06 04:29 AM
. * * Re: Long shotgun actions banzaibird   24/02/06 05:10 PM
. * * Re: Long shotgun actions deant   25/02/06 04:45 AM
. * * Re: Long shotgun actions banzaibird   25/02/06 09:53 AM
. * * Re: Long shotgun actions deant   26/02/06 01:28 AM
. * * Re: Long shotgun actions Judson   03/03/06 10:54 AM
. * * Re: Long shotgun actions tinker   03/03/06 12:29 PM
. * * Re: Long shotgun actions tinker   25/02/06 10:28 AM
. * * Re: Long shotgun actions tinker   25/02/06 01:52 AM
. * * Re: Building a double rifle banzaibird   24/02/06 04:09 PM
. * * Re: Building a double rifle banzaibird   24/02/06 09:43 AM
. * * Hollis 500/450 BlainSmipy   24/02/06 03:00 PM
. * * Re: Building a double rifle banzaibird   24/02/06 09:59 AM
. * * Re: Building a double rifle banzaibird   24/02/06 11:24 AM
. * * 577 BlainSmipy   24/02/06 03:04 PM
. * * Re: Building a double rifle vigillinus   23/02/06 06:53 PM
. * * Re: Building a double rifle NE450No2   24/02/06 07:44 AM
. * * Re: Building a double rifle bonanza   24/02/06 08:31 AM
. * * Re: Building a double rifle BlainSmipy   20/02/06 05:01 AM
. * * Re: Building a double rifle banzaibird   14/02/06 05:07 AM
. * * Re: Building a double rifle BlainSmipy   14/02/06 07:32 AM
. * * Re: Building a double rifle banzaibird   14/02/06 09:36 AM
. * * Re: Building a double rifle Judson   15/02/06 11:55 AM
. * * Re: Building a double rifle 475Guy   04/11/05 01:44 PM
. * * Re: Building a double rifle JPeterson   01/11/05 11:11 AM
. * * Re: Building a double rifle mickeyModerator   01/11/05 03:03 PM
. * * Re: Building a double rifle mickeyModerator   22/10/05 10:29 AM
. * * Re: Building a double rifle tinker   20/10/05 11:01 AM
. * * Re: Building a double rifle Will   18/10/05 11:29 PM
. * * Re: Building a double rifle mickeyModerator   12/10/05 09:06 AM
. * * Re: Building a double rifle JPeterson   12/10/05 09:18 AM

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