6mm /.243 hunting success on Big Game

For folks shooting factory 6CM 103 ELDX and 108 ELDM: what velocities differences did you notice between the 2 bullets? I’ll be building an 18” so curious what I could expect from a velocity standpoint.
 
Fever Buck said:
For folks shooting factory 6CM 103 ELDX and 108 ELDM: what velocities differences did you notice between the 2 bullets? I’ll be building an 18” so curious what I could expect from a velocity standpoint.
Click to expand...

The 103 eld-x is normally about 100 fps faster in a 24” 1:8 twist barrel. My last lot of 108 eld-Ms were 2950 avg 103 3050 avg
Eld-m from that lot were more consistent

Hornady 6 creedmoor is the only Hornady ammo I’ve shot that reached stated velocities


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Last edited:
amassi said:
The 103 eld-x is normally about 100 fps faster in a 24” 1:8 twist barrel. My last lot of 108 eld-Ms were 2950 avg 103 3050 avg
Eld-m from that lot were more consistent

Hornady 6 creedmoor is the only Hornady ammo I’ve shot that reached stated velocities


Sent from my iPhone using Tapatalk
Click to expand...
Sweet. Hopefully that means I’ll be in the mid to high 2800s with the 103 ELDX with an 18”. Thanks for the info.
 
Lawnboi said:
I don’t watch any backfire stuff.

Mostly because I want the barrel life. And I already load it for my match rifles.

Thinking a 103eldx at 2750 would be nice.

80 eldvt for predators and varmints.
Click to expand...
Backfire has really gotten under my skin.

I have 2 buddies that shoot dashers in BR competitions. They usually compete at the 300 yard line with rifles that are much too heavy for hunting off the road. I dug into the cartridge before, it will do great as long as you can sort out magazine feeding.
 
Fever Buck said:
For folks shooting factory 6CM 103 ELDX and 108 ELDM: what velocities differences did you notice between the 2 bullets? I’ll be building an 18” so curious what I could expect from a velocity standpoint.
Click to expand...
Factory 108s averaged 2900 FPS over 20 shots in my daughters Howa with a 7.5 twist at 22"
 
Taudisio said:
Backfire has really gotten under my skin.

I have 2 buddies that shoot dashers in BR competitions. They usually compete at the 300 yard line with rifles that are much too heavy for hunting off the road. I dug into the cartridge before, it will do great as long as you can sort out magazine feeding.
Click to expand...

Dasher and br are king of most PRS stuff now as well.

I have a couple options for mags to try. I’m sure I can figure out something.

I’m just sick of sub 2000 round barrel life. Too much changing and testing and messing around.
 
Lawnboi said:
Dasher and br are king of most PRS stuff now as well.

I have a couple options for mags to try. I’m sure I can figure out something.

I’m just sick of sub 2000 round barrel life. Too much changing and testing and messing around.
Click to expand...
Thoughts on 6GT in regards to barrel life? I have a 6GT Preferred prefit with 1100ish rounds. I'm thinking of getting another one coming, but can't decide which 6mm flavor.
 
Jimbee said:
Thoughts on 6GT in regards to barrel life? I have a 6GT Preferred prefit with 1100ish rounds. I'm thinking of getting another one coming, but can't decide which 6mm flavor.
Click to expand...

I pulled the 6gt PBB prefit(Stainless, 1:7.5) I had at 2000 rounds
Just cuz the replacement showed up.
It shot great until I pulled it, factory Hornady ammo just over 1 moa for 10. Reloads we’re 100% varget
The throat eroded quite a bit but it still was shooting
I’d do another GT it is a near perfect 6 mm


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Jimbee said:
Thoughts on 6GT in regards to barrel life? I have a 6GT Preferred prefit with 1100ish rounds. I'm thinking of getting another one coming, but can't decide which 6mm flavor.
Click to expand...

Iv been close to buying a 6gt but havnt.


Probably a better choice than dasher but I’m going all in on alpha dasher for my game gun so figured may as well on my hunting rifle as well.

From digging, I probably would have been shooting the GT at similar powder charges as I am my 6 creed.

The thought of 30-33 grains of powder per shot and small rifle primers really did it for me.

I’m not sure any of them are a wrong choice. 6 creed for most guys really isn’t terrible either. I just dislike feeling like I can’t practice with it in fear the barrel is gone by the end of the year. And I hate breaking in barrels, everyone says how easy dasher is to load for.
 
HGL said:
Broke in the 6mm CM yesterday evening. Doe cull on a bean field. Shots were from 325-485. 7 does and one cull buck were killed. 2 were shot with a friends 7 mag. 6 were shot with the 6mm. 4 with the 103 ELDx and 2 with the 108 ELDm.

I didn't have time to do any autopsy pics but no deer ran more than 10 yards most were DRT. I couldn't tell any discernable difference between the 103 and 108s, but it was kind of difficult to tell which deer were which upon retreival in the dark, as we were in a rush to get them to the processor for donation. 3 exited on "shoulderish" shots.

I feel entirely confident with either load though. The 103 ELDx is running 3050 fps and the 108 ELDm is running 2915 fps. Gun is a Tikka rebarrelled with an Osprey (not a prefit), 1-7" finished at 19".
Click to expand...
That a factory painted stock or an aftermarket?
 
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