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Well, I'm only going to say that buying something because it's what someone else uses, with likely a different chamber, is worth just that...and that if you don't know where and why the problem is presenting itself, it's a matter of measuring... and we're just not on the same page yet. At least...

Narrow those adjustments way down, if you haven't already. By far the most common mistake by those that move tuners at all is moving them way too far at a time. Try to establish group shape and size between as close as possible to perfect tune to as absolutely out of tune as you can make it...

How much are you bumping the shoulders?

Not a ton of them out there but Bob White usually has a few on hand, if you haven't checked with him already.

That's great news for most all of us Al. Get to work! :D

If going to that trouble and expense, why not just get a bigger chamber reamer that works well with standard dies? Seriously, it's about chamber to die relationship that qualifies if the die works well for a given chamber. Seems like it'd be smarter to fix the real issue, which apparently is NOT...

The brass is very unlikely the problem.

I do not. I thought he had passed but I hope I'm wrong and he's well. I was referring to a match back in about 2008 or so. He wasn't that old then..I'd guess mid 60's.

Charles E. was a nice guy and an experimenter with just about anything you could imagine. At one time, he followed the logic that score shooting was second tier BR and that surely, his newest contraption would show up and teach those old ky hillbillies shooting score, how br was really done. At...

I think you are spot on, Mike. Also, I've had best luck by going one size smaller than recommended with the Harrell's 3 fired case method. It works but I like just a tick more sizing to ward off click as the brass work hardens. Just my 2 cents and they are a good product..not saying otherwise at...

Lol! You have a point there! You could Ackleyize the 30 BR and call it a 30 BRAL! Seems fitting and has a nice ring to it. ;)

I agree but in reality, n120 and 1680 are about 2 grains faster than h4198, in a case this size. LT30 is a tad slower than h4198 and is less bulky. It also builds pressures predictably without getting spikey at the drop of a hat. The others may well work but I'd work with the lt30 first. Maybe...

1.524mm=.060"

I don't see the problem. It might not be perfect but it'll have fewer mistakes than a human being and we can still protest a score if need be. As you know, probably, ARA has been doing electronic scoring at bigger matches for several years.

Lol! That was about 6 weeks of my first machine shop class. The instructor would tell me it wasn't square when I knew it was...because I did it on a surface grinder while he was out of the classroom! Lol!! I hid it by going back over it with sandpaper on a file but he caught on after a while. Lol!

I agree that it looks a lot like a Fudd.i disagree about the tuner thread. You just have to wade through the passing and moaning because some people ..thats all they have to do or to offere to a thread about something they either disagree with or can't comprehend. It's a shame but it's the...

That'll work. I usually get to the shop around 7:30 or 8. I'm on central time. Should be here pretty much all day. Some days are busy phone days or I may be running a noisy phase converter or something. If I don't answer, leave a msg and I'll call ya back. --Mike

Hopefully you have others, one he can use. I looked back and I don't have a record of selling you a .900-32 but that certainly doesn't mean you don't have one. I'd like to help him out but mine are all .875 now. edit...Art, give me a call again. I just found a Lambert that has been collecting...

You may have seen this but it's how to calculate bolt thrust along with flex and shear. People wonder why a 6.5 Grendel AR15 has a lower saami max pressure than a 223/5.56. Well, there's exactly why and if you reverse engineer it, the math calculates to pretty close to exactly the difference in...

bolt thrust I'm sure you're aware but bolt thrust of a 50 BMG, at EQUAL PRESSURE is nearly double that of a ppc family cartridge, fwiw. I know you're burning a pile of powder, but pressure is pressure. Bolt thrust is a different ballgame with different case heads. Just saying, don't lose sight...