Some rough statistics of Hammerli target disks

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Some rough statistics of Hammerli target disks Empty Some rough statistics of Hammerli target disks

Post by kcl31 on 12/28/2019, 7:08 pm

I always have the impression that the target disks comes with 28/215 is better than I saw from a Trailside, but would like to confirm how far it is the difference. I randomly picked some photos from internet and following are results.


Some rough statistics of Hammerli target disks 8066cd10

It seems 208/215’s group is much more consistent, while 6” barrel Trailside has similar best results but more deviation (maybe a QC thing? Some groups are good with one flier) The 4.5” barrel version of Trailside on the other hand, seems worse than both.

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Post by 1joel1 on 12/30/2019, 11:44 am

Personally, I don't put much faith in test targets. I think that the factories use the best bullets and shoot the groups a few times to obtain the best possible 5 shot group. Honestly, the idea of a 5 or 10 shot group is statistically nonsensical, but people seem to like them. They will all shoot 10s if you can.

Joel
(B.S. Theoretical Physics)

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Post by Jon Eulette on 12/30/2019, 11:50 am

I toured the Hammerli factory in 1994. I watched them do the test buttons and had an opportunity to make one myself. They truthfully shoot the five shot group and call it quits. They actually use a machinist vise and place the pistol in the vise upside down to shoot their groups. They had Underground test tunnel.
Jon


Last edited by Jon Eulette on 12/30/2019, 1:12 pm; edited 1 time in total
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Post by kcl31 on 12/30/2019, 11:59 am

Hi Jon,

That’s really cool experience! Do you know what ammo they were using? And I wonder if they would reject any gun if they got bad group from test?

Thanks

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Post by Jon Eulette on 12/30/2019, 1:13 pm

Too many years ago to remember.
Jon
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Post by 1joel1 on 12/31/2019, 11:53 am

Jon Eulette wrote:I toured the Hammerli factory in 1994. I watched them do the test buttons and had an opportunity to make one myself. They truthfully shoot the five shot group and call it quits. They actually use a machinist vise and place the pistol in the vise upside down to shoot their groups. They had Underground test tunnel.
Jon
That's very cool and good to hear. I doubt that all companies do that. I can't see Les Baer with their 1.5" guarantee shooting 5 shots and if they're not within 1.5", tearing the gun apart and starting over. Anyway, I'm getting cynical in my old age, but to the other point, a 5 shot group is statistically meaningless. That said, I always chose the gun with the best looking test group. Okay, I'm a cynical hypocrite.  Laughing

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Post by Jon Eulette on 12/31/2019, 12:01 pm

As we know Hammerli tested at 25m. I'm sure the Marvel groups would be very good at 25m. 

Joel you made my day; "Okay, I'm a cynical hypocrite"

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