highdrum's latest activity

I don't like ti but think they are okay to hold higher pressure with 473 based cases. I do have a bat bumblebee and a vampire. They hold...

It's only high pressure if you make it high pressure, otherwise it has the same saami standards as everyone else. Do yourself a favor...

Alpha generally does well with their reamers fitting their brass. I have a few alpha reamers, ones a 22gt, their freebore diameter is...

56gr Rl23 is a starter for 108gr bullets, 59GR H1000, and 62gr N570

If you plan to neck down lapua brass, 257 is too tight. You'll have to turn. I had 2 barrels that dimension. You'll want 225 freebore...

Have Norma LA mags?

EMC2015 is absolutely spot on here. My chamber designed around adg brass necked down is same spec as he posted. 552 at 0.200 line is...

I see what you're saying, my 6cm shoots well that top node but isn't far from pressure. I have a 24" 6saum, and 109gr bullets get up...

Take it this is a barrel nut build since you set headspace. What action? Please post reamer specs. I have a few 22br barrels, run...

Really helpful. Thanks!

I have .257 WBY with 22” 1:7” propelling the 145 Black Hole ~3100 FPS.

Alex has already built a few 25PRC and they've been great accuracy wise. I'd run long freebore and put it on a medium action or one the...

22gt will run from an ar15 with light bullets, not with heavier stuff. The BR Variants are what you'd want. However a 473 bolt on an...

Howd the 6mm work out? I know a few guys running standard 6prc and I shoot a 6saum.

Sync the new device to the garmin xero, and disconnect. Shoot a small 3 shot session, and reconnect/sync the new device. All data should...