I'm wanting to load some 6.5 cm out of my 24 inch 1/8T proof research carbon sendero as followed (153.5 LRHT, Lapua srp brass, CCI 450 srmp, and h4350). I have emailed berger before about using hornady brass and large rifle primers, but im unsure about this load. I emailed them, but haven't gotten anything back yet.

I just picked up my first press. My plan is to buy primed cases from Shell Shock Technologies and load them to use for hunting.

My question for anyone with experience with these cases, do I need to size or trim them? Or can I just fill them with powder and load a bullet and go?

Do I need any special or specific dies to load this ammo?

For anyone with experience loading these in 308, id like to push a 150-168 grain all copper out of my 20" barrel around 3,000 fps. Is this possible? What powders should I look into?

Any recommendations on how to get this shell out?

Edit: It's out! Thanks everyone!

I know it's pretty niche, but I'm just looking for any experience that might be out there. I currently use 79g of H1000, and it works quite well (3069fps/SD<8/24"). I'm just experimenting with a new powder option.

Sierra lists an N570 Load of 75.2-82.0 with a lead HPBT. That's all I have to go on at this point.

I also see a forum discussion with a guy who took N570 all the way to 88.5g with a berger 200.2. He reports no pressure signs and the pic of his brass looked absolutely fine. But his speed from a 20" barrel was in the 2800's. That doesn't compute to me. Maybe that slow powder and short barrel was just blowing it all out the business end.

I'm going to load up 20 rounds and go look for trouble and see what I can find. In the absence of other data, I think I'll load up 74.5-84.0 (.5g steps) and see what happens.