Sierra 107 TMK Load Data

[Matt5266]

Went out again today. Wind was 25mph or so in my face. Loaded more to try again when no so windy. 2836 FPS Tikka 243 18" supressed

 

[Jimbee]

Tikka 20" 6GT 7twist Preferred prefit.
107tmk hornady brass, 32gr Varget, cci450.
2675fps, ES 37, SD (100 yds, not 662) 9

 

[Sako300]

Went out again today. Wind was 25mph or so in my face. Loaded more to try again when no so windy. 2836 FPS Tikka 243 18" supressed

Try 40.5 grains!

 

[Matt5266]

Try 40.5 grains!

I've shot 41 and 41.5

Did you try these loads and find better results with 40.5?

My 41 load was worse that the 41.5

 

[Sako300]

I've shot 41 and 41.5

Did you try these loads and find better results with 40.5?

My 41 load was worse that the 41.5

I did! Around 1 MOA with the 40.5 H4350
20 thousands off lands
Tikka 243 20’’
Around 2835 fps

 

[Pistolpete28]

I did! Around 1 MOA with the 40.5 H4350
20 thousands off lands
Tikka 243 20’’
Around 2835 fps

Similar to mine
Tikka 243 20”
210m
Starline 1x
40.5 h4350
2879 fps average
1 moa

 

[Bluumoon]

Tikka 20" 6GT 7twist Preferred prefit.
107tmk hornady brass, 32gr Varget, cci450.
2675fps, ES 37, SD (100 yds, not 662) 9View attachment 1054769View attachment 1054770

Just how tall a fella are ya? Impressive spacer game, walnut none the less.

 

[Matt5266]

@Pistolpete28 @Sako300 what COAL did you end up with?

 

[SloppyJ]

Let's do an 88gr thread too. Just took measurements last night on two fresh barrels.

 

[Sako300]

@Pistolpete28 @Sako300 what COAL did you end up with?

2.934’’

 

[Pistolpete28]

@Pistolpete28 @Sako300 what COAL did you end up with?