2209 batch 5273 in 7saum

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BATattack
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Joined: Mon Dec 29, 2008 10:29 pm

2209 batch 5273 in 7saum

#1 Postby BATattack » Tue Sep 27, 2016 10:25 pm

I have been playing with a barrel and haven't been getting much love with my usual tricks so I decided to try some 2209. A great powder which I don't use much of nowadays with my 6.5x47 barrels gathering dust.

Out of interest I loaded up a little ladder starting at 56.1. Which STARTED at 3000fps. . . . Going up to 56.9 I stopped when the chronograph was reading 3035fps.

This seems to be about 50-70fps faster than I was expecting and I was wondering if anyone has any thoughts on the 5273 batch of 2209 and if it may be faster than others?

Dobbo
Posts: 40
Joined: Sat Jul 23, 2011 11:11 pm
Location: Sydney

Re: 2209 batch 5273 in 7saum

#2 Postby Dobbo » Wed Sep 28, 2016 1:25 pm

I have just got a Saum up and running and have found 55.4 of 2209 was giving me a nice group running at 2940.
This was 180 VLD in a 32 inch barrel.(I have been told this is a fast barrel).
Its not the same batch as yours.
I found the groups better around 2940 to be better than higher f/s, I did run up to 3050.
I would suggest starting around 55 and working up.

Matt P
Posts: 1512
Joined: Mon Nov 14, 2005 8:22 pm

Re: 2209 batch 5273 in 7saum

#3 Postby Matt P » Wed Sep 28, 2016 5:32 pm

This maybe of no help but with lot 5529 I get in my Bartlein barrel 2945 on 56.2 with 180 VLD's and in my Brux I get 2920 with the same powder charge and Hybrids.
Matt P

BATattack
Posts: 1275
Joined: Mon Dec 29, 2008 10:29 pm

Re: 2209 batch 5273 in 7saum

#4 Postby BATattack » Wed Sep 28, 2016 8:11 pm

Dobbo wrote:I have just got a Saum up and running and have found 55.4 of 2209 was giving me a nice group running at 2940.
This was 180 VLD in a 32 inch barrel.(I have been told this is a fast barrel).
Its not the same batch as yours.
I found the groups better around 2940 to be better than higher f/s, I did run up to 3050.
I would suggest starting around 55 and working up.


yeah I think my powder batch might be fairly close to yours in burning rate.

Matt my batch is 55-80fps faster than yours!! That's huge! It's interesting that this barrel is also slightly slower with other known powders.

ajvanwyk
Posts: 440
Joined: Tue May 17, 2016 5:50 pm

Re: 2209 batch 5273 in 7saum

#5 Postby ajvanwyk » Thu Sep 29, 2016 11:57 am

FWIW, I too use Batch 5529 in 2209 and are getting (within 200 rounds from new so should be speeding up a bit)

ave 2900 for 55.8gn
ave 2913 for 56.2gn
ave 2924 56.5gn

These are for 180gn Hybrids in a 32" Bartlein 1:9
Albert
Rosedale Rifle Club
Australian Points Series


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