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6.5X47 Lapua data

 
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  #1  
Old 04-17-2009, 09:25 AM
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6.5X47 Lapua data

Recently started loading for 6.5X47. Published data is limited to Vhitavouri, so I'd like to share what I've come up with so far.

Bullet: 123gr Scenar
Powder: Reloader 15
OAL: 2.738"
Primer: CCI BR4
Case: Lapua, 1.839"
36.0 gr 2,700 fps
36.6 gr 2,778 fps
37.2 gr 2,798

Bullet: 123 gr Scenar
Powder: IMR4007ssc
OAL: 2.737"
Primer: CCI BR4
Case: Lapua, 1.839"
35.0 gr 2,337 fps
35.5 gr 2,363 fps
36.0 gr 2,402 fps

Bullet: Hornady 129gr SST
Powder: Ramshot Big Game
OAL: 2.774" (2.162 to ogive)
Primer: Fed GM205M
Case: Lapua, 1.839"
35.5 2,503 fps
36.0 2,533 fps
36.5 2,559 fps

Velocities were measured about 12-14' in front of the muzzle (23" barrel). As you can see, I've been working up slowly and could go higher than I've done so far with some powders. Velocity from IMR4007 was a bit disappointing.

Hope this helps.
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  #2  
Old 04-20-2009, 10:19 PM
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Re: 6.5X47 Lapua data

I have a little more data to add. I upped the amount of Ramshot Big Game, this time behind a Berger VLD. Results are:

Bullet: 130 gr Berger VLD
Powder: Ramshot Big Game
COL: 2.794" (2.132" to ogive)
Primer: CCI BR4
Case: Lapua, 1.839"
37.0 gr - 2,555 ft/s
37.5 gr - 2,591 ft/s
38.0 gr - 2,626 ft/s

Still not exactly setting things on fire, speed-wise. In the data Berger provided me (from Quickload, I think), they recommend Ramshot Hunter. I bought some Big Game months ago because reading on 6mmbr.com, everyone seemed to recommend Reloader 15. I got some of that, and also Big Game and IMR4007 'cause they're all very close in burn rate. Velocity-wise, Re15 does much better than the other 2.

Anyone else have any experience with this cartridge?
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  #3  
Old 04-20-2009, 11:25 PM
TMR TMR is offline
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Re: 6.5X47 Lapua data

Natty,

Try H4350 behind the 130 Berger...start at around 39.0gr and work up. We run 42.2 gr with the 130's and get right at 3000fps out of our 26" barrels. Some say that's pretty hot....the last batch of brass had 12 loadings on it. Primer pockets still tight, but the necks need annealed. I tried Ramshot Hunter also...it shot very well under some conditions, and sometimes I didn't know where it was going to land. H4350 is pretty much the standby for us...1/4moa and very stable. This is a very efficient accurate case...I think you will like it.

Travis
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  #4  
Old 04-21-2009, 08:30 AM
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Re: 6.5X47 Lapua data

TMR,
Thanks for the advice. This is my first custom gun and so far I'm very impressed. I have a few of what I thought were accurate rifles. This one chambered in the Lapua blows them away. Yesterday I shot it out to 400 yards with the 123gr scenar and Re15. Consistently around 0.50 m.o.a. from 100 to 400 yards. Until recently I'd been doubting my skills from the bench based on some loads I'd been shooting over my chronograph with other rifles.
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  #5  
Old 05-17-2009, 08:04 AM
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Re: 6.5X47 Lapua data

While this doesn't appear to be a real popular topic, I thought I'd add to it again. Was at the range again recently and came up with the following:

Bullet: 130gr Berger VLD
Powder: Ramshot Hunter
COL: 2.807" (2.136 to ogive)
Primer: CCI 400
Case: Lapua, 1.839"
39.0 gr - 2,439 ft/s
40.0 gr - 2,479 ft/s
41.0 gr - 2,614 ft/s

Bullet: 140gr Nosler HPBT
Powder: Ramshot Hunter
COL: 2.644" (2.150" to ogive)
Primer: CCI 400
Case: Lapua, 1.839"
40.0 gr - 2,498 ft/s

Bullet: 123 gr Sierra HPBT
Powder: Ramshot Hunter
COL: 2.737" (2.150" to ogive)
Primer CCI 400
Case: Lapua, 1.839"
41.0 gr - 2,621 ft/s

Quite a jump in velocity on the bergers going from 40 to 41 grains of powder. I don't think I misread any of the chrony readings. All numbers are based on an average of 5 shots.
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  #6  
Old 05-17-2009, 08:26 AM
TMR TMR is offline
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Re: 6.5X47 Lapua data

Natty,

If you have any CCI450 primers, try that with the Hunter/Berger 130 load, and up the powder charge a little more. We ran it for awhile, but it became inconsistent with small environmental changes. A friend of ours uses it w/ 139 scenars and has great result year round.

Travis
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  #7  
Old 08-01-2009, 05:31 PM
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Re: 6.5X47 Lapua data

TMR, thanks for the advice. Was out to the range today to try out Hunter with 123 grain matchkings and magnum primers. Results were:

Bullet: 123 grain Sierra HPBT
Powder: Ramshot Hunter
COL: 2.742" (2.157" to ogive)
Primer: CCI 450
Case: Lapua, 1.837"
41.5 gr - 2,700 ft/s
42.0 gr - 2,740 ft/s
42.3 gr - 2,759 ft/s

Accuracy very good at 100 yards, but velocity still a bit disappointing. I can get about 2,800 ft/s from 123 grain scenars with just 37.2 grains of Re 15 with equal or better accuracy. Don't think I could get much more than 42.3 grains in the case.

Don't have any H4350, but still have plenty of Re15 (which is my go to load for this rifle) and loads of Ramshot Hunter (bought an 8lb jug). Don't think I'll tinker with any more load development with this rifle. Just have fun shootin' it!
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