Another what load thread 243

[blip]

I might up the varget and see what happens. It might of been a bit low for this rifle, It was accurate enough but the necks were a little bit sooty

[Oldbloke]

I might up the varget and see what happens. It might of been a bit low for this rifle, It was accurate enough but the necks were a little bit sooty

Yes but you dont mention the load of 2208/varget. Nor the jump to the lands?

[blip]

Yes but you dont mention the load of 2208/varget. Nor the jump to the lands?

its about 2 posts up

[grandpamac]

I might up the varget and see what happens. It might of been a bit low for this rifle, It was accurate enough but the necks were a little bit sooty

Greetings,
From my testing in the .308 the ADI powders, including AR2208 seemed to shoot a bit better than IMR4064 at lower pressure and AR2208 looks the best of the bunch from your results. One thing you could consider though is a better target. These days I mostly use the NZDA 50 and 100 metre targets but you can make up a hollow square target with red tape on paper. I just quarter the inside of the circle or square with the cross hairs and find this more accurate than trying to aim at a fine point.
Regards Grandpamac.

[blip]

I know varget and 2208 are the same is 4064 different?

[grandpamac]

Greetings,
Yes it is. IMR4064 was originally made by Dupont in the US from about the 1920's and was the go to powder for the .270 for a while until IMR4350 came out. AR2208 has been made by Mulwex, now ADI in Australia since the early 1980's. From my testing IMR4064 can be a little faster than AR2208 but is bulkier and not as temperature stable. I used IMR4064 in my .308 from the late 1980's and got good velocity and accuracy at book max loads but it needed to be compressed. I changed to AR2206 and later AR2206H, far better powders for sub max loads.
Regards Grandpamac.