New 109 ELDM vs 108 ELDM

[wind gypsy]

I'm curious to hear how the 109s stabilize out of the 1:8 243 Tikka.

I took him saying "Hornady's software shows the stability factor at the muzzle in my current atmosphere to be 1.54, between that and my results on target I'm not sweating the twist" to mean they stabilize fine for him.

 

[huntnful]

I'm curious to hear how the 109s stabilize out of the 1:8 243 Tikka.

I’ve shot them out of 3 different 1-8 twist barrels at sea level. No issues.

 

[pods8 (Rugged Stitching)]

I’ve shot them out of 3 different 1-8 twist barrels at sea level. No issues.

Any with short barrel 243s at lower velocity? Useful datapoint for those considering the combo.

I plan to use them but I got a 1:7 barrel in route so shouldn't be any problem.

 

[huntnful]

Any with short barrel 243s at lower velocity? Useful datapoint for those considering the combo.

I plan to use them but I got a 1:7 barrel in route so shouldn't be any problem.

No sir. All shot at around 3200fps. Thank you for mentioning that.

 

[SamsonMan22]

Just got done working with some in a 20” tikka 243. I did not have good luck with them, the tightest they shot was 1.9moa but majority of the groups were 2.5-3moa. They were stabilizing at 100yds but the accuracy just wasn’t there. Maybe a different powder would have helped some but I wrote them off as I want to use the h4350 I have on hand.

 

[Carl Ross]

I'm curious to hear how the 109s stabilize out of the 1:8 243 Tikka.

@wind gypsy had the correct take.

The one and only group I've shot so far, 100 yds:

 

[ID_Matt]

Any with short barrel 243s at lower velocity? Useful datapoint for those considering the combo.

I plan to use them but I got a 1:7 barrel in route so shouldn't be any problem.

2850 FPS in a 1:8”. No problems for me

 

[260284]

Just that alone can and will cause very different behavior.

People generally believe, and companies keep repeating- that “the tip drives back into the bullet causing expansion”. That is not what happens in almost all cases and it is clearly seen in gel.
Almost always the tip squishes out of the bullet soon after impact explaining the open cavity, or it breaks off creating a larger frontal diameter.
Aluminum/metal tips do neither- if the bullets upset it’s generally because the bullet started to yaw or starting to destabilized, then the tip get pressure on the side and it tears out of the jacket causing massive fragmentation. Other times it remains point first and exhibits basically no upset.

I killed two deer with the 135 A-Tip out of a 6.5 Creedmoor. Both wer heart shots at 456 and 275 yards, broke the off side leg, both deer went 100 and 250 yards with no bllod trail and the exit side of the heart was barely bigger than caliber size. Exits on the hide were nickle size at best. Most accurate bullet I have shot, but not for me for a hunting bullet. Maybe at a higher velocity and a shoulder shot, but not a heart/lung bullet.