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Posted: 7/8/2012 8:46:28 AM EDT
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Hi,
I have a Remington R-25 in .308, shooting Norma hunting cartridges with Vulcan bullet. Unfortunately, in about 50% of the fired cartridges, the primer is separated. This wouldn't be a problem if the primer would be somehow ejected together with the brass, but one of these little bastards made it's way into the trigger assembly, causing a malfunction which has to be cleared by the gunsmith. Has anyone of you faced the same problem (separating primers)? How could it be sollved? Than you very much for input and best regards Piatello |
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It’s usually the ammo.
You really need to give out more detailed info. Like new rifle, old rifle that has never had a problem, this is the only ammo I have problem with, etc. Either way I would not under any circumstances fire anymore of that ammo in that rifle. Look for pressure signs on the cases. Try different ammo. Same problem, contact Remington. |
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I've read about similar problems in .223 caliber AR15's when using certain makes of military surplus ammo. General consensus at the time was high pressure due to the .223 chamber + 5.56 ammo resulting in higher than normal pressure for that particular rifle/ammo combination. This doesn't occur in all guns.
As stated above, I'd stop shooting that ammo in that rifle and try a different brand/make of ammo. One question. If your chamber a shell and then eject it, are you able to see marks on the bullet from the lands in the barrel? If so, contact between the bullet/rifling prior to firing can result in increased pressures. |
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Hi and thanks for the replies!
It's a brand new rifle and the first type of ammo I used. There are no signs of overpressure on the cartridges that kept their primer. A gunsmith recommended, to put some varnish on the edge "between" primer and primerpocket, that should help. I will give it a try, before I switch the ammo Regards Piatello |
| It is the ammo. Sealling them won't help. Try an American factory produced .308 Win load, in the 150 to 168 grain range. I have a R25 also and have seen no popped primers in mine using my handloads and factory stuff. I suspect your Ammo is on the hot side, no matter what the other brass looks like. AR brass is hard to read for pressure signs. Often what people think is high pressure turns out to be timing issues. Popped primers are a dead give away that your ammo choice is a bit hot for that rifle. |
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Quoted:
Hi, I have a Remington R-25 in .308, shooting Norma hunting cartridges with Vulcan bullet. Unfortunately, in about 50% of the fired cartridges, the primer is separated. This wouldn't be a problem if the primer would be somehow ejected together with the brass, but one of these little bastards made it's way into the trigger assembly, causing a malfunction which has to be cleared by the gunsmith. Has anyone of you faced the same problem (separating primers)? How could it be sollved? Than you very much for input and best regards Piatello I don't know if this would fit in your R-25 .... but....http://www.midwayusa.com/product/970550/dpms-molded-receiver-rug-ar-15-mil-spec-trigger-rubber-red Most people say its a waste of money. So decide for yourself. |
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