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The cold will affect your dasher in 2 ways. RE15 is more temperature sensitive than most powders, so its velocity will drop down a tad in the cool weather, maybe dropping it out of its accuracy node until you bump it up. As for the gain twist, it isnt the gain, but the final 8.3" twist which...

Right handed and left eye dominant, you lucky bugger. That would make things easier. Shoot your RH rifle left handed, then while your left hand is doing nothing more than steadying your rifle on the benchrest, your more cordinated right hand will be picking out and feeding the cases,, cycling...

I think a 10" twist 6BR shooting 88-95gn LDs would be spot on as a 300M gun. I am thinking it wil bridge the gap between 6PPC/68gn 200yd BR rifles and 6BR/105gn 600yd rifles?

Way too slow for a 6BR with 70gn bullets. You will be after something a few ranges quicker.

A few people here in Australia have moved away from it. I could get good groups out of it, but for some reason, it would throw the occaisinal low shot no matter what powder, bullets, primers, neck tension I used. That said, my highest scores have been with a 6x47, but then so have my lowest...

While the 284 is a pretty good cartridge , it probably isnt the best for a newer shooter. With a bigger caliber, the gun hold and bag set up is more critical. New shooters have borrowed my 284 and not done well with it at all. maybe they were scared of the recoil, or just not as consistant with...

Thanks for this larry. The sizes look similar to what we use, just different number values.

There has been a bit of discussion, both for and against target changes for F class open in Australia. I was just wondering, what target ring sizes and scoring method is used in USA or elsewhere overseas.

a.JR, myself and some other higher scoring (Queens winners in OZ, and other good shooters inU.S) F class 6x47 shooters have drifted away from the 6x47. While some have got theirs realy humming, the others I have spoken to have said that they are not as consistant, sometimes being great, other...

I have been doing more long range shooting lately, where .003" or more neck clearance is becoming common as it is supposed to help ES by ensuring clean bullet release. In my PPCs and BRs, I always ran .002" or less neck clearance, but have been wondering what the short range (100-200 yd) trend...

Another question I had was, if using a barrel bedding block, where does the tuned length start? As in, with a 30" long barrel, its node is usualy around, say 2820 or 2950 fps, but lower speeds with a shorter barrel. If there is only 23" of barrel hanging out of the bedding block, would the nodes...

Al, by vibrating more, I meant amplitude. I was thinking that a straight barrel with more weight up front would have more amplitude, but a slower frequency, and that a realy stiff (Wide at the chamber) barrel, would have a lower amplitude, but faster frequency, so as you say, it would have a...

alinwa. Oh I see, are you always so eloquent in your speech?

Does anyone here have any views on barrel harmonics on tapered barrels VS straight barrel. As in, with 2x barrels of the same weight and length (say 30") in 1000yd BR light sizes, will a straight 1.2" no taper barrel vibrate the same as a barrel which is 1.35 at the chamber, going down to 1" at...

So when can the general shooting public get hold of these gain twist Kreigers?

Jeeze, 3080 fps with a 180gn pill would be going pretty hard wouldnt it? I was only after something to shoot 175s at 2950 fps for 1000yd BR.

Looks good Stuart, I hope you can do the same at a few more of the F class shoots. The pics came out better than my fuzzy out of focus attempts.

So it sounds like it is pretty good for up to 2950-3000 fps Max with the 180s is that right?

I,m thinking of building up a 7mm RSAUM (or possibly 7 WSM) strictly for 1000yd BR heavy gun. Who has been using a 7mm RSAUM for 1000yd comps? What velocity are you getting? How low have the velocity spreads been? Any othe rinfo or tips on building a 7mm 1000yd gun? I have a few heavy 7mm...

Yep, when mine turned up, I thought it was either the July edition of wet ,spanked and shaven, or the August edition of Hooters and high heels, but nope, it was just a mag with gun stuff in it.