Thanks for helpful advice VASCAR, LRRPF52 and Rosecranz.
I don't like getting figures wrong so will check back from the SAAMI site .
I used the ADI manual to compare psi pressure for known loads that I thought were realistic.
I can see that the industry spec max would reflect more what you could potentially get from factory ammo.
I've heard that brass is the usual limiting component, not bolt strength, but thought I'd start there. It sounds as if bolt lug / action wont be the limitation anyway.
I'll get onto feed, bolt face metal size and so on now.
It's interesting the Lapua people tested their brass to destruction (I use Lapua brass in my Grendel). I'm guessing they used the Sako S sized action, which is sized for 308. I wonder how they got extra hot loads into the case. Mine are compressed as it is and still below book max. The case size seems to limit max loads well before the brass is stressed. I'd be interested if this is general opinion or just my hopeful thinking.
I don't like getting figures wrong so will check back from the SAAMI site .
I used the ADI manual to compare psi pressure for known loads that I thought were realistic.
I can see that the industry spec max would reflect more what you could potentially get from factory ammo.
I've heard that brass is the usual limiting component, not bolt strength, but thought I'd start there. It sounds as if bolt lug / action wont be the limitation anyway.
I'll get onto feed, bolt face metal size and so on now.
It's interesting the Lapua people tested their brass to destruction (I use Lapua brass in my Grendel). I'm guessing they used the Sako S sized action, which is sized for 308. I wonder how they got extra hot loads into the case. Mine are compressed as it is and still below book max. The case size seems to limit max loads well before the brass is stressed. I'd be interested if this is general opinion or just my hopeful thinking.