DRT Terminal Shock Load Data

[Trackselk]

I'm getting a 223 barrel or 2 throated long for the 79 DRT bullets. Anyone have any idea how long beyond my CBTO I should go, or how much minimum jump I should ask for? I'm other words; do these things like to jump like monos, or jam? I generally load pretty hot so I don't jam bullets, but I might if it was the only setup that worked. Thanks for any advice!

 

[cubdriver84d]

I'm getting a 223 barrel or 2 throated long for the 79 DRT bullets. Anyone have any idea how long beyond my CBTO I should go, or how much minimum jump I should ask for? I'm other words; do these things like to jump like monos, or jam? I generally load pretty hot so I don't jam bullets, but I might if it was the only setup that worked. Thanks for any advice!

I would aim for 0.020 jump with top of the boat tail right at the bottom of the neck. Similar to the photo in post #45 https://rokslide.com/forums/threads/drt-terminal-shock-load-data.347403/post-3733960.

I haven't done any seating depth testing but haven't really felt the need to either. I just load to 0.020 or mag length and shoot.

 

[Trackselk]

I would aim for 0.020 jump with top of the boat tail right at the bottom of the neck. Similar to the photo in post #45 https://rokslide.com/forums/threads/drt-terminal-shock-load-data.347403/post-3733960.

I haven't done any seating depth testing but haven't really felt the need to either. I just load to 0.020 or mag length and shoot.

Thanks! Now to find a smith with a 'close-enough' reamer

 

[philcox]

I think 555 and 560 will be too slow. I'm going to play with the 135 in 6.5cm here soon. 550 and rl17 will be what I start with.
Stable will probably be good. For those 3 powders I'd start there.

You ever get a load you like with the 135?


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[philcox]

Anyone ever ask DRT what powder they recommend for the 135 and 65CM?

I bought a 20 Factory load to see how they shoot compared to my hand loads. I weighed all 20, about a 4g delta between all of them, so I know they all have powder

Also, I measured them, and basically 2.760 it seemed, so that is what I will use going forward. I’m gonna call and ask about the powder. I’ll reply with what I find.


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