Charge weight and IMR 4064 in 308win

[oops]

I mostly use H4895 or IMR4895.....but this time I wanted to move out side the box and try some IMR 4064 with 168 Hornady.WELL then,now it became a bit of a coin toss.I have many loading manuals(pre and post lawyer)...the range of start and max loads are massively different from one manual to the next.
One manual has a start load of 38grs...max 41grs....and another has a start load of 40grs and a max of 45 grs

I did a bit of each....see where it takes me,but taking into factors of test rifles and componet differences,you would think the spread would not be that wide from one to another

feelings,thoughts......anyone???

 

[Brutus]

Depending on your rate of twist now......try out 44.0 grains of IMR4064 under that 168.
Of course with a match primer and better quality brass.

It may surprize you.

 

[OneBarfly]

42 grains worked for me. almost full case volume of powder.

 

[oops]

AND LIKE A GOOD HANDLOADER....I started @ 38grs and have loads worked up to 44grs

Thank you for the input!!

 

[LUTNIT]

If I find two sources that are quite different I'll look for a third, fourth, and maybe fifth set of data to see if I can find some sort of pattern.
I can't think of a time there was more than 1 outlier in a group of 4-5 data sets. I just ignore the outlier in those cases and usually average the others.

Going lower with powder charges is generally harmless unless you're at or below ~1/3 case volume with a slow burning, magnum powder.

 

[Warbird_2006]

42.5 gr

 

[tactical_tech]

42.5 gr

42.5 of IMR 4895 is my load as well for my .308

 

[Ganderite]

Use the same data that you use for 4895. The powders are very similar.

 

[cmcdonald]

I use 44 gr of imr 4064. Seems to work well In my Cooper.

 

[sgt.rock]

My Nosler manual no 7 states a starting load of 40.5 gr @ 2560 f/s and a MAX load of 44.5 gr for 2700 f/s. Godspeed to ya.

 

[Raceready68]

42.5 of IMR 4895 is my load as well for my .308

Just loaded some 150gr with IMR 4895 42.5 where perfect. Loved that load I will have to try it out with the 168s

 

[WhelanLad]

is 4064 similar to Varget?

I use AR2208 which I thinks Varget , so it might be a moot post but I load 44gr behind 150s.

WL

 

[doc25]

I'm running 178-180 gr and have noticed quite a bit of difference between nosler and hornady. My suggestion would be use the data of the bullet manufacturer if available.

 

[tornado45]

I used 42.5 imr 4064 with hornady 168 match best load in 2 different guns ora 308 match rifle and a stock rem VTR
tornado

 

[Ganderite]

4064 and varget are similar speed. 4064 is very chunky and does not meter well.

2208 is Varget.

is 4064 similar to Varget?

I use AR2208 which I thinks Varget , so it might be a moot post but I load 44gr behind 150s.

WL

 

[m6tlogistics]

42.5 of IMR 4895 is my load as well for my .308

X2-I use 4895 for 30/30,.303,.308,.223,30-06-it seems to work well with the bulk of the ''standard'' cartridges-again though-follow your manuals...

 

[snoopycda]

Buy a chronograph and use it when developing loads.

 

[thump_rrr]

42.8gr of 4064 in Federal brass with 210M primers and 168gr SMK's is the copy of the FGMM load.

 

[WhelanLad]

Thanks Ganderite!

WL

 

[Mickey849]

Can't comment on how it works with 168s but I tried it with 190 SMKs (sierra's loading manual lists 40.5 gr and 190smk as an accuracy load.)

Reduced to 39gr in military brass FL sized / trimmed 2.005"
Win LR primer
COL of 2.8" in my savage 10 TR
MOA with frequent sub MOA groups at 1000m on steel at Springfield Range (just goes subsonic but still very stable.)

IMR 4064 is a good old school powder for M1 Garand loads as well. I find it meters very well in a Hornady Autocharge but like any stick powder is choppy as hell in a manual rotary meter powder measure (dillon sliding meter type may work better but YMMV.)