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338 Lapua cases stuck in Savage gun?

 
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  #1  
Old 04-11-2012, 05:52 PM
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338 Lapua cases stuck in Savage gun?

After firing, I am having a hard time pulling the bolt open on a savage 110 BA 338 lapua action. I notice some scrape/rough edge on a small portion of the neck mouth at the opening on about 15 percent of the hole. any ideas?

300 berger
h1000 91.0 2760fps chronographed 26" savage barrel
2.717" case trim length
these are lapua brass on the second firing, first firing i had no issues with the same amount of powder
rcbs $30 die and seater set
2.724" case measured after shooting

i hope its something simple this gun is a tack driver with this load
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Old 04-11-2012, 05:58 PM
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Re: 338 Lapua cases stuck in Savage gun?

well if they are lengthening .007 after one firing there is defiantly a problem. i am not very experienced so i dont know what the problem could be. sorry
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Old 04-11-2012, 06:04 PM
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Re: 338 Lapua cases stuck in Savage gun?

this would be the second firing...i just shot another round...bolt lift is fine it seems, just trying to pull the bolt back is where the problem lies. Also, the case does not appear or feel damaged....the other cases were because i was letting them fall to the ground and hit my cement patio...this shot i made sure i caught it before it hit the cement and overall it looks good.....i am stumped
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Old 04-11-2012, 06:09 PM
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Re: 338 Lapua cases stuck in Savage gun?

i do see an ever so slight mark at the opening...not much, but its there
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Old 04-11-2012, 06:27 PM
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Re: 338 Lapua cases stuck in Savage gun?

Weatherby 460 I have had the same problem when shooting 91.0 gr of H1000 with the 300gr smk's. I reset my full-length die and lightly oiled a patch and rubbed it over my loaded rounds before chambering and all problems went away. Let me know if that works , also what kinda groups are you getting and at what range are you shooting ?
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Old 04-11-2012, 08:59 PM
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Re: 338 Lapua cases stuck in Savage gun?

my 110BA experiences this on occasion with Hornady cases... but not the Lapua cases, so far, that is.

Two possible issues... the cases should not be 2.725" inches... trim to 2.715". The Hornady cases that stuck in my chamber were 2.725, and the ones that did not stick came out at 2.715"... so there's something there...

I have also noticed that the Hornady cases will NOT admit a bullet to the case mouth after firing; in other words, you could just put prime them, put powder in, and seat the bullet again... the chamber reamers Savage is using must be super tight.

With the Lapua cases, you can just *barely* fit a bullet into the fired case necks... and even on some of the Lapua cases the necks seem too tight to get the bullet to go in (just like with all the Hornady cases).

So my best guess is that you have some carbon fouling in the case neck area of the chamber, and these case necks are grabbing there. Clean, clean, and clean some more and get that fouling out... then make sure your brass is totally clean (no powder fouling on the cases at all, especially at the necks)... and I think you'll find all will be well. I would probably soak the chamber neck area in some Hoppes 9, which will soften that fouling gently without being too harsh... it'll just take an over-nighter or two... but it'll work.

Lots of folks pay extra for custom chambers that are just like the chambers we see on these 110BA's... so it's a good thing, really, once you get to know the idiosyncrasies of them. This will help the brass last much longer than it otherwise might...

Dan
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Old 04-12-2012, 08:44 AM
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Re: 338 Lapua cases stuck in Savage gun?

i just cleaned the chamber ...i reloaded 1 round with 90 of h1000, and made sure i trimmed the case to 2.714"...i will shoot it in a few hours...thanks for all the ideas so far
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