It's a 458 Lott, you don't need to weigh and segregrate brass! Well, accepting the stubby case.

I use a small lathe for trimming brass, so can't help on that end.

The one problem I've had with the Hornady dies is the neck expander sits too low in my co-ax press, as it is a "universal" 45 expander, and really designed for a 45-70 length case.

Other then that, load em and shoot em.

Paul:

Yea, I know...just old habit.. as to checking brass and just wanted to see what overall quality of the stuff is like.

I just have no experience with straight wall cases so please forgive my inexperience...

Is there a separate crimping die made for the 458 Lott?

Do you seat first then crimp? or crimp after seating?

Do your loaded rounds bulge where bullet is in the case?

Finally, what are you loading?

Thanks for your help...JJS

Straightwall cases are easy to load, really no different than a bottleneck, accept that the sizing die doen't have a parallel section for the neck, which they could have done, but that's an asside.

JJ Hack had Lee make a custom factory crimp die for his Lott. I plan to pick up one of the 45-70 dies, and add a spacer collart to it. I did that for my 35 whelen using a 358 win die, and it worked like a champ.

If you set the seater/crimp die too low, ie too much of a crimp, the case will accordian. So long as the round chambers, just shoot it, the case will straighten out I just seat and crimp in one stage.

So far I'm just shooting 350 speers over RL-7, I need to do some work to the rear sight, and some bedding work before getting back to the range. I'll probably only shoot 350's, and maybe some 400 gr X bullets, as this rifle was built for Alaskan game.

I'm pretty sure my shellholder is an RCBS in the hand primer, and I haven't had any problem with the 50 cases I got. I use a co-ax press, so no shellholder on the press.

A caliper should be able to help figure out where the problem is.

Just measured several of mine: 2.76". Seems like it should be closer to 2.8. Maybe it's cut short so it can stretch!

What length is the new Hornady Lott brass? Is it the 2.800" length cases or the longer 2.850" stuff?

Mine measure 2.784 for six that I measured.