6.5x47 Brass thickness

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BD28
Posts: 115
Joined: Sun Aug 19, 2018 12:14 am

6.5x47 Brass thickness

#1 Postby BD28 » Fri Mar 26, 2021 9:57 am

Hey guys,

I have 300 pieces of 6.5x47 im looking to neck down to 6x47 Lap.

I have measured the neck thickness on them with a Mitutoyo hand mic (The ball and and tapered anvil type) and im getting an average thickness of around .0125" - .0130"

From memory my Lapua 308 brass was around .0145" - .0150"

Can anyone shooting 6.5x47 Lap brass confirm that this is about right for thickness? I am hoping if this is the case that once ive necked down the necks at worst might come in at around .0145" which will finish me off at .272". I will be running a .275" no turn neck reamer. This is a practical rifle gun and we shoot upwards of 200 rounds in a single competition.

Question: Is everyone getting around about the same neck wall thickness out of the box? and for those running a 6x47, what thickness were you measuring after necking down.

Thanks in advance,

Rich4
Posts: 534
Joined: Sun Feb 24, 2019 2:33 pm
Location: Chinchilla

Re: 6.5x47 Brass thickness

#2 Postby Rich4 » Fri Mar 26, 2021 4:20 pm

image.jpg
I’ve got 0.2695” and 0.013-0.014 neck thickness on 6.5x47 Lapua unfired necked to 6mm brass
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Last edited by Rich4 on Sun Mar 28, 2021 6:37 pm, edited 1 time in total.

Audax
Posts: 38
Joined: Wed Sep 27, 2017 8:48 am

Re: 6.5x47 Brass thickness

#3 Postby Audax » Sun Mar 28, 2021 5:45 pm

I will be surprised if the neck thickness will vary after necking down....keep us posted please.


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