Thread: Hey Gimp is this you hiding out

Originally Posted by Ground Control

Hey Gimp

How about a Video of a Ten Shot group , but standing up and picking up the Rifle between shots ( in other words totally breaking position between each shot ) .
I fairly confident you would do alright, but I feel the majority of the YouTube crowd would absolutely struggle.
I’m off hunting Chital Deer for the nest 7 days , but when I get back with my unused ammo I will try this new idea out and post the results ( no matter how embarrassing )

This is substantially more relevant to the average hunter than any cherry-picked 3 shot group.

My 20-shot composite group in my other thread consists of 4x 5 shot groups with position broken between. The cluster of shots fills in a nice round pattern which is what you should expect from a group of a meaningful size.

So here is a further effort with my slightly cranky Bergara B14 223.


This group measures 1.056 moa with ballisticx.

However the rifle tried a new trick. I swapped primers to Rem 7.5s to see if that would reduce my ES's. Confoundingly it reduced group size (yes Gimp , sample isnt big enough haha) but the bloody ES went through the roof to 132. It included a very sight hangfire, the click//bang sort just long enough to register (my technique must be ok cause the shot didnt fall out of the group. A bit of s puzzle. For what its worth heres the velocities I recorded:
2768 (cold bore, centred group, thats something!)
2740
2761
2635
2683
2743
2722
2647 hangfire!
2689
2711

Thoughts?

Thoughts ?

You could have shot 9 deer with that ammo

Originally Posted by 7mmsaum

Thoughts ?

You could have shot 9 deer with that ammo

Jeez you're harsh, it's a 10 shot group!

[QUOTE=Tentman;1578065]Jeez you're harsh, it's a 10 shot group![/QUOTE

The time you’d take dropping the 9 of them, you were always going to lose the tenth into the scrub line

Originally Posted by Tentman

So here is a further effort with my slightly cranky Bergara B14 223.
Attachment 250914

This group measures 1.056 moa with ballisticx.

However the rifle tried a new trick. I swapped primers to Rem 7.5s to see if that would reduce my ES's. Confoundingly it reduced group size (yes Gimp , sample isnt big enough haha) but the bloody ES went through the roof to 132. It included a very sight hangfire, the click//bang sort just long enough to register (my technique must be ok cause the shot didnt fall out of the group. A bit of s puzzle. For what its worth heres the velocities I recorded:
2768 (cold bore, centred group, thats something!)
2740
2761
2635
2683
2743
2722
2647 hangfire!
2689
2711

Thoughts?

Very slow. What ES did you record across prior shots? Sample size applies to velocity and velocity variation too - an apparent change in SD or ES is often just sampling a different part of the overall population and there is no actual change (or no ability to determine a change with any real confidence)

I shot this Ten shot group this morning.
This is shot with my 6x45 ( 6mm 223 )
It is the most accurate Rifle that I own , but it does go against the ethos of this thread because it is a heavy barrel/stock etc Rifle that is my current favourite setup for Dingoes ( mostly driving in a SxS Buggy so weight isn’t a factor)

10 shots ( this includes the cold bore shot , I pulled the Rifle out of the case and started shooting , so no warm up ) at 100m measured , Bipod and rear Bag , standing up and picking up the Rifle and Bag between each shot .
This was not a hurried process because I was taking time to reset myself and try to really give this test a decent attempt.

I’m reasonably happy with this , but it just goes to show that my genuine 1/2 moa Rifle isn’t a 1/2 moa Rifle .
If I had just lay down and shot a ten shot group with minimal movement between shots then it would be alot better , a lot of the dispersion in the group I'm certain is small differences in my setup and hold each time .

Right on 25mm, which at the 100m range it was shot at means it squeaks under MOA. 80gr ELD-M from my long throat Tikka. 2800fps on the money 20” barrel.

Originally Posted by Ground Control

If I had just lay down and shot a ten shot group with minimal movement between shots then it would be alot better , a lot of the dispersion in the group I'm certain is small differences in my setup and hold each time .
]

That's entirely relevant to the real-world useful precision of the rifle though - that's how you use it.

Finally back from work and completed range induction so I could give this a crack.
Was more than a little nervous as this was the first time I would pull a trigger this year!!
Had loaded up some of a known good load but in Virgin new brass of another brand.
Lined up on center bull and let rip 10 shots from cold...I knew I had a couple a bit wide as technique was pretty rusty.
Swapped to the prc and my reduced load for the Son....by shot 4 mirage off of the suppressor was an issue and shots 8 to 10 were just a guess where the aimpoint was
Then back to the 223 and some hornady black 60gr fmj



I was pretty bloody happy with that considering I had been so long off of the trigger so I had a crack at @Spanners drill target.



This didn't go quite as well as can be seen by the results but my list of excuses is as follows.

Boon and crocket reticle completely covers the dot and about half a dot all around the dot.

I was rapidly losing light.

I was getting cold.

What distance? Some great shooting.

Originally Posted by Tentman

What distance? Some great shooting.

107y

Finally got around to this. Shot 5 rnds at a time round robin. 110m

Standing (no rear support): 1.5moa
Tikka prone: .85moa
Howa prone: 1.35moa

This challenge confirmed a few things;
At 3.7kg and a duplex reticle covering half the patch, this Tikka is a keeper while my ‘sub Moa’ Berger load appears to have fallen apart.

Very good