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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

9.3x57
.450 member


Reged: 22/04/07
Posts: 5521
Loc: United States
Re: Ruger No 1 303
      20/08/11 10:44 PM

Well, if it helps at all, I would not be happy with the results, either and would for sure look for a fix.

The fact that you COULD get one {albeit only one} group under 2-inches with a cold barrel {what I call "One Shot Groups"} indicates to me the problem lies with bedding or possibly barrel seating in the action, the latter being a guess.

Can you slug the bore and note the LAND diameter?

I want to be clear in stating I am not discounting the BARREL BORING and RIFLING as being a problem, only that the groove depth by itself is not a pure evil.

I still am wondering about two dimensions on these .303's; First, the bore/land diameter and second the width of lands. Narrow lands and oversize bores and groove depths together are not going to be a good recipe for accuracy.

Having said that, vertical stringing does not sound like a boring problem, but rather back to bedding/fitting. Unstable or erratically engraved bullets normally land erratically/randomly.

There could be a mix, however, of issues.

Having said all of that, 4-inch 5-shot groups at 100 yards was about the acceptance criteria for new Lee-Enfield rifles as stated in the ordnance material above. You might be saddled with a "Within Specification" reply from Ruger and be stuck with handloading and bedding trickery to get that gun to behave.

Best, and keep us posted.

Rod

{{Edit; I'll post some accuracy criteria for some other older rifles on a separate thread. The whole topic of what consitutes acceptable accuracy is a very interesting one.}}

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

Edited by 9.3x57 (20/08/11 10:45 PM)

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Subject Posted by Posted on
* Ruger No 1 303 underlever 29/10/10 06:14 PM
. * * Re: Ruger No 1 303 Rule303   08/11/10 10:30 PM
. * * Re: Ruger No 1 303 baileybradshaw   09/11/10 12:14 AM
. * * Re: Ruger No 1 303 hunter_angler   09/11/10 04:09 AM
. * * Re: Ruger No 1 303 CWJ1898   21/11/10 01:15 PM
. * * Re: Ruger No 1 303 Rockdoc   21/11/10 02:23 PM
. * * Re: Ruger No 1 303 Ben   21/11/10 02:55 PM
. * * Re: Ruger No 1 303 Rockdoc   21/11/10 05:50 PM
. * * Re: Ruger No 1 303 450   26/01/11 06:28 PM
. * * Re: Ruger No 1 303 Con   27/01/11 10:10 AM
. * * Re: Ruger No 1 303 Oldbrit   16/05/11 09:42 PM
. * * Re: Ruger No 1 303 portdivers   16/05/11 11:44 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   17/05/11 07:11 AM
. * * Re: Ruger No 1 303 AdamTayler   18/05/11 11:34 AM
. * * Re: Ruger No 1 303 bwanabobftw   18/05/11 12:21 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   18/05/11 12:35 PM
. * * Re: Ruger No 1 303 AdamTayler   20/05/11 12:01 PM
. * * Re: Ruger No 1 303 450   30/06/11 06:53 PM
. * * Re: Ruger No 1 303 Nyati404   22/07/11 11:40 AM
. * * Re: Ruger No 1 303 underlever   17/08/11 08:58 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   17/08/11 09:15 PM
. * * Re: Ruger No 1 303 9.3x57   17/08/11 11:08 PM
. * * Re: Ruger No 1 303 9.3x57   17/08/11 11:45 PM
. * * Re: Ruger No 1 303 Rule303   18/08/11 08:12 PM
. * * Re: Ruger No 1 303 9.3x57   18/08/11 10:49 PM
. * * Re: Ruger No 1 303 Rule303   20/08/11 07:09 PM
. * * Re: Ruger No 1 303 9.3x57   20/08/11 10:44 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   20/08/11 11:03 PM
. * * Re: Ruger No 1 303 HuviusModerator   21/08/11 12:23 AM
. * * Re: Ruger No 1 303 Rule303   21/08/11 09:04 AM
. * * Re: Ruger No 1 303 CptCurlAdministrator   21/08/11 12:32 PM
. * * Re: Ruger No 1 303 underlever   21/08/11 09:53 PM
. * * Re: Ruger No 1 303 9.3x57   24/08/11 11:04 PM
. * * Re: Ruger No 1 303 Rule303   26/08/11 09:13 PM
. * * Re: Ruger No 1 303 9.3x57   26/08/11 10:57 PM
. * * Re: Ruger No 1 303 Rule303   28/08/11 07:15 PM
. * * Re: Ruger No 1 303 9.3x57   28/08/11 11:09 PM
. * * Re: Ruger No 1 303 Rule303   01/09/11 08:47 PM
. * * Re: Ruger No 1 303 Rule303   28/10/11 07:43 PM
. * * Re: Ruger No 1 303 450   29/10/11 07:28 AM
. * * Re: Ruger No 1 303 Rule303   18/11/11 10:16 PM
. * * Re: Ruger No 1 303 Brithunter   20/11/11 02:54 AM
. * * Re: Ruger No 1 303 DarylS   20/11/11 03:17 AM
. * * Re: Ruger No 1 303 Rule303   20/11/11 10:08 PM
. * * Re: Ruger No 1 303 DarylS   21/11/11 07:02 AM
. * * Re: Ruger No 1 303 Rule303   25/11/11 01:04 PM
. * * Re: Ruger No 1 303 Brithunter   25/11/11 01:26 PM
. * * Re: Ruger No 1 303 DarylS   26/11/11 05:23 AM
. * * Re: Ruger No 1 303 wjw   26/11/11 10:09 AM
. * * Re: Ruger No 1 303 Phillip   24/01/12 10:32 PM
. * * Re: Ruger No 1 303 Brithunter   21/11/11 10:44 AM
. * * Re: Ruger No 1 303 Brithunter   08/11/11 01:17 AM
. * * Re: Ruger No 1 303 DarylS   08/11/11 03:13 AM
. * * Re: Ruger No 1 303 TilleyMan   09/11/11 10:18 PM
. * * Re: Ruger No 1 303 tophet1   09/11/11 10:42 PM
. * * Re: Ruger No 1 303 DarylS   09/11/11 04:22 AM
. * * Re: Ruger No 1 303 Brithunter   21/11/11 10:59 AM
. * * Re: Ruger No 1 303 bonanza   09/11/11 11:03 PM
. * * Re: Ruger No 1 303 DarylS   10/11/11 02:31 AM
. * * Re: Ruger No 1 303 TilleyMan   13/11/11 01:41 PM
. * * Re: Ruger No 1 303 Phillip   13/11/11 11:16 PM
. * * Re: Ruger No 1 303 DarylS   14/11/11 03:44 AM
. * * Re: Ruger No 1 303 TilleyMan   14/11/11 08:25 AM
. * * Re: Ruger No 1 303 DarylS   15/11/11 03:46 AM
. * * Re: Ruger No 1 303 TilleyMan   03/09/11 05:06 PM
. * * Re: Ruger No 1 303 450   03/09/11 06:16 PM
. * * Re: Ruger No 1 303 450   20/10/11 07:00 PM
. * * Re: Ruger No 1 303 DarylS   21/10/11 02:20 AM
. * * Re: Ruger No 1 303 TilleyMan   21/10/11 01:06 PM
. * * Re: Ruger No 1 303 DarylS   22/10/11 02:17 AM
. * * Ruger No 1 303 ,now London proof Mike_Bailey   01/09/11 10:57 PM
. * * Re: Ruger No 1 303 ,now London proof 450   03/09/11 03:50 PM
. * * Re: Ruger No 1 303 DarylS   25/08/11 12:42 AM
. * * Re: Ruger No 1 303 kuduae   25/08/11 05:12 AM
. * * Re: Ruger No 1 303 9.3x57   25/08/11 05:39 AM
. * * Re: Ruger No 1 303 HuntingSchneider   25/08/11 02:36 PM
. * * Re: Ruger No 1 303 DarylS   26/08/11 02:08 AM
. * * Re: Ruger No 1 303 Classic416   21/08/11 10:28 PM
. * * Re: Ruger No 1 303 DarylS   24/08/11 01:48 AM
. * * Re: Ruger No 1 303 Rule303   23/08/11 06:44 PM
. * * Re: Ruger No 1 303 9.3x57   18/08/11 11:18 PM
. * * Re: Ruger No 1 303 DarylS   19/08/11 12:37 AM
. * * Re: Ruger No 1 303 9.3x57   19/08/11 02:58 AM
. * * Well I just bought one..... crusty   19/08/11 11:53 AM
. * * Re: Lee-Enfield .303 Accuracy Standards 9.3x57   19/08/11 10:56 PM
. * * Re: Ruger No 1 303 9.3x57   17/08/11 11:53 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   18/08/11 01:16 AM
. * * Re: Ruger No 1 303 9.3x57   18/08/11 02:18 AM
. * * Re: Ruger No 1 303 DarylS   18/08/11 03:39 AM
. * * Re: Ruger No 1 303 450   31/08/11 09:20 PM
. * * Re: Ruger No 1 303 radin   24/08/11 09:42 PM
. * * Re: Ruger No 1 303 Mike_Bailey   18/08/11 04:13 AM
. * * Re: Ruger No 1 303 belgmart   24/08/11 04:27 AM
. * * Re: Ruger No 1 303 DarylS   24/08/11 09:25 AM
. * * Re: Ruger No 1 303 9.3x57   18/08/11 06:00 AM
. * * Re: Ruger No 1 303 DarylS   18/08/11 06:35 AM
. * * Re: Ruger No 1 303 9.3x57   18/08/11 07:59 AM
. * * Re: Ruger No 1 303 DarylS   18/08/11 10:02 AM
. * * Re: Ruger No 1 303 tophet1   18/08/11 07:43 AM
. * * Re: Ruger No 1 303 DarylS   18/08/11 01:09 AM
. * * Re: Ruger No 1 303 bonanza   15/07/11 11:10 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   16/07/11 10:48 PM
. * * Re: Ruger No 1 303 bonanza   16/07/11 11:36 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   17/07/11 12:23 AM
. * * Re: Ruger No 1 303 xausa   17/07/11 01:41 AM
. * * Re: Ruger No 1 303 CptCurlAdministrator   17/07/11 02:28 AM
. * * Re: Ruger No 1 303 DarylS   17/07/11 03:22 AM
. * * Re: Ruger No 1 303 Ben   16/07/11 11:35 PM
. * * Re: Ruger No 1 303 CHAPUISARMES   30/06/11 07:02 PM
. * * Re: Ruger No 1 303 450   01/07/11 05:57 PM
. * * Re: Ruger No 1 303 CHAPUISARMES   01/07/11 06:37 PM
. * * Re: Ruger No 1 303 450   15/07/11 07:05 PM
. * * Re: Ruger No 1 303 Ben   15/07/11 07:18 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   18/05/11 08:56 PM
. * * Re: Ruger No 1 303 Rule303   15/07/11 10:58 PM
. * * Re: Ruger No 1 303 CptCurlAdministrator   16/07/11 10:41 PM
. * * Re: Ruger No 1 303 Ben   17/05/11 07:31 AM
. * * Re: Ruger No 1 303 eagle27   21/11/10 03:45 PM
. * * Re: Ruger No 1 303 Ben   29/10/10 07:32 PM
. * * Re: Ruger No 1 303 underlever   31/10/10 09:56 PM
. * * Re: Ruger No 1 303 bonanza   31/10/10 11:30 PM
. * * Re: Ruger No 1 303 Ben   31/10/10 10:44 PM

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