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Old April 9, 2014, 09:31 AM   #1
rye
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9 mm 115 gr lrn loads

hi
i am loading 9mm 115 gr lrn at 4.0 bullseye 1120 oal they work great in my 2 glocks a 17 and a 19, but when i try them in my freinds cz 75 they wont go home and had to take the gun apart to knock out the round we think the head was to high and got stuck in the rifling of the barrel ,how much can i seat the bullet to not build up pressure ,thanks rye
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Old April 9, 2014, 09:48 AM   #2
jag2
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My guess would be his chamber is very tight and it is the circumference not the oal that is the problem. You are well below what is considered the standard (1.169) for 9mm, although most people do go shorter than that. How far down the case do you go when sizing? I would also pull the bullet on a round that you know won't fit in his gun, I'm betting it still won't go in. To answer your original question hopefully someone that has that program (Quickload?) can run those numbers for you, I think that is probably the only way to find that out.
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Old April 9, 2014, 09:54 AM   #3
surveyor
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Here is the plunk test, see page 2 of this thread for unclenick's post.
http://thefiringline.com/forums/show...nk+test&page=2
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Old April 9, 2014, 11:21 AM   #4
madmo44mag
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A friend has a Browning HP and had the same issue.
Did a plunk test and about 1/3 would chamber.
Seated the bullets 0.010 lower and they all fit.
Just a very tight chamber.
Those same rounds chambered fine in two other pistols.
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Old April 9, 2014, 03:52 PM   #5
Nick_C_S
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Quote:
My guess would be his chamber is very tight and it is the circumference not the oal that is the problem.
I'm with jag2 on this one. ^^
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Old April 9, 2014, 06:52 PM   #6
Reloader2
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I've been setting my 115‘s at 1.110". But I'm new at this, it worked and I've stuck with it.
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Old April 9, 2014, 10:08 PM   #7
Wreck-n-Crew
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Quote:
Here is the plunk test, see page 2 of this thread for unclenick's post.
http://thefiringline.com/forums/show...nk+test&page=2
This^^^^
Quote:
I've been setting my 115‘s at 1.110".
Of the three guns I've loaded 115gr LRN's for My OAL has been 1.08"-1.10" What may feed in one won't in another but you seem to be right around where I find mine plunking So I think your on par for sure.

Quote:
You are well below what is considered the standard (1.169) for 9mm
That is actually max length for a FMJ or plated RN, cast are shorter.
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