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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

Altamaha
.333 member

Reged: 29/12/08
Posts: 376
Loc: Washington State USA

Re: 416 ruger popping primers
06/02/11 01:45 PM

A couple of other things to think about:

Soft case heads will result in popped primers. (The soft head expands too much)

A too long chamber will often result in popper primers: The cartridge walls grip the chamber upon firing, there is too much space between the case head and the bolt face, the primer moves back. Combined with a soft case head and the primer will fall out when the bolt is cycled. I would section a fired case and look for wall thinning just ahead of the web. If you find thinning, the chamber is too long.

Short throat, or a bullet seated out in the lands, will boost pressure and pop a primer. So, slightly resize the case neck a short distance, seat a bullet out too far, coat the bullet with prussian blue or smoke it, cycle the dummy round through the action and read the land marks on the bullet. You will push the bullet back into the case when doing his, and will know where the throat is for future seating reference. Might take a few tries. Watch for the bullet sticking in the lands when the bolt is opened, might have to size the neck a little more. If you stick a bullet in the lands, immediately take a cleaning rod and push it from the muzzle to dislodge the bullet. Last thing you want to do is leave a stuck bullet in the throat: If you forget it a few days later and chamber a round, the stuck bullet will push the other bullet back into the case, pull the trigger and blow up a rifle!!!

A chamber cast and proper measurement would tell me a lot.

If I had the rifle, and the above showed nothing wrong, then I would glue on a strain gauge and run some pressure trials.

Above posters may be on the right track, the cartridge might be loaded from the factory "on the edge" to obtain near 416 Rigby velocities. This is why I believe in big cases for a DG rifle!!!!

Edited by Altamaha (06/02/11 01:57 PM)

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Subject	Posted by	Posted on
416 ruger popping primers	bigjedd	24/01/11 08:35 PM
Re: 416 ruger popping primers	Rule303	02/02/11 09:15 PM
Re: 416 ruger popping primers	bigjedd	03/02/11 08:27 PM
Re: 416 ruger popping primers	Con	04/02/11 06:06 AM
Re: 416 ruger popping primers	bigjedd	04/02/11 07:26 AM
Re: 416 ruger popping primers	FATBOY404	04/02/11 03:14 PM
Re: 416 ruger popping primers	bigjedd	21/02/11 06:45 PM
Re: 416 ruger popping primers	FATBOY404	21/02/11 07:09 PM
Re: 416 ruger popping primers	bigjedd	21/02/11 07:47 PM
Re: 416 ruger popping primers	4seventy	23/02/11 10:37 AM
Re: 416 ruger popping primers	Con	22/02/11 04:15 AM
Re: 416 ruger popping primers	DarylS	22/02/11 11:33 AM
Re: 416 ruger popping primers	bigjedd	04/02/11 05:02 PM
Re: 416 ruger popping primers	FATBOY404	04/02/11 07:20 PM
Re: 416 ruger popping primers	DarylS	05/02/11 02:52 AM
Re: 416 ruger popping primers	Paul	23/02/11 12:52 PM
Re: 416 ruger popping primers	DarylS	24/02/11 05:21 AM
Re: 416 ruger popping primers	Con	24/02/11 09:29 AM
Re: 416 ruger popping primers	bigjedd	24/02/11 01:03 PM
Re: 416 ruger popping primers	bigjedd	24/02/11 01:19 PM
Re: 416 ruger popping primers	bigjedd	24/02/11 01:20 PM
Re: 416 ruger popping primers	4seventy	24/02/11 01:28 PM
Re: 416 ruger popping primers	bigjedd	24/02/11 01:33 PM
Re: 416 ruger popping primers	DarylS	25/02/11 05:14 AM
Re: 416 ruger popping primers	86thecat	19/03/11 05:15 AM
Re: 416 ruger popping primers	DarylS	19/03/11 08:41 AM
Re: 416 ruger popping primers	bigjedd	19/03/11 09:20 AM
Re: 416 ruger popping primers	bigjedd	06/07/11 08:40 AM
Re: 416 ruger popping primers	4seventy	24/02/11 02:23 PM
Re: 416 ruger popping primers	4seventy	24/02/11 09:03 AM
Re: 416 ruger popping primers	500Nitro	24/02/11 05:37 AM
Re: 416 ruger popping primers	bigjedd	24/02/11 07:15 AM
Re: 416 ruger popping primers	bigjedd	24/02/11 07:50 AM
Re: 416 ruger popping primers	4seventy	24/02/11 08:07 AM
Re: 416 ruger popping primers	MarinePMI	24/02/11 07:59 AM
Re: 416 ruger popping primers	bigjedd	05/02/11 08:52 AM
Re: 416 ruger popping primers	Altamaha	06/02/11 01:45 PM
Re: 416 ruger popping primers	tophet1	25/01/11 06:20 AM
Re: 416 ruger popping primers	500Nitro	25/01/11 06:28 AM
Re: 416 ruger popping primers	450_Ackley	25/01/11 06:42 AM
Re: 416 ruger popping primers	tophet1	25/01/11 07:14 AM
Re: 416 ruger popping primers	DoubleD	26/01/11 01:57 AM
Re: 416 ruger popping primers	450_Ackley	26/01/11 06:36 AM
Re: 416 ruger popping primers	FATBOY404	26/01/11 07:26 AM
Re: 416 ruger popping primers	bigjedd	26/01/11 07:44 AM
Re: 416 ruger popping primers	bigjedd	27/01/11 11:42 PM
Re: 416 ruger popping primers	450_Ackley	28/01/11 06:03 AM
Re: 416 ruger popping primers	Ben	28/01/11 07:04 AM
Re: 416 ruger popping primers	bigjedd	25/01/11 07:08 AM
Re: 416 ruger popping primers	450_Ackley	25/01/11 06:10 AM
Re: 416 ruger popping primers	Con	29/01/11 03:44 AM
Re: 416 ruger popping primers	bigjedd	29/01/11 10:28 AM
Re: 416 ruger popping primers	Con	29/01/11 09:18 PM
Re: 416 ruger popping primers	450_Ackley	30/01/11 06:53 AM
Re: 416 ruger popping primers	Con	30/01/11 08:30 AM
Re: 416 ruger popping primers	450_Ackley	30/01/11 09:42 AM

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