Thread: 284 Powder and Bullet advice

58gr Re26, giving me 2850 out of a 20" barrel with a 160 TMK loaded at 3.100".

Originally Posted by Pommy

58gr Re26, giving me 2850 out of a 20" barrel with a 160 TMK loaded at 3.100".

I don't think I can get that much RL16 in a case. At 54g I'm starting to get a little crunch. Maybe the 26 is a little denser?

I know someone who can get 63g in a 6-284 case but it is rammed in so tight it needs a press to push it all in.

The 160TMK does look to be the bullet I want to shoot. Do you have much jump?

@kiwijames, I had mine throated for 160-162's. There's still some jump. Load isn't compressed. Peterson brass. Started getting an extractor mark at 59gr and a slightly sticky bolt at 59.5gr.

Originally Posted by Pommy

@kiwijames, I had mine throated for 160-162's. There's still some jump. Load isn't compressed. Peterson brass. Started getting an extractor mark at 59gr and a slightly sticky bolt at 59.5gr.

We are in the same boat then. I'm also using Petersen brass and I have now a decent length throat. My neck is very big though with it measuring 0.3250". A loaded round is 0.3165" so I have a lot of room. I'm not sure if it's an issue but it bugs me. RL26 on paper is crazy low pressure in comparison to other powders, like 10K PSI lower. Im of the understanding is nearly impossible to overload it in a 284. There's just not enough room.

Originally Posted by Pommy

58gr Re26, giving me 2850 out of a 20" barrel with a 160 TMK loaded at 3.100".

I’ve loaded groups of 56, 57 & 58g RL26 under 160TMK’s in Petersen brass. My OAL is 3.126 so not much difference for 0.012” jump.
Do you neck size? I ended up with a 315 bush to give 0.0015” neck tension. I’d be interested to see if this is the same for you.