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I think you might onto something .
I just cleaned it and there was heave barrel leading in the forcing cone.

Yes ,,

As close as I can tell the twist is around 1-18..

No I did not,,but I figured if it shot other loads ,,then everything should be in the ball park

That is what I was told by seller ,,
I will check it out for myself

Twist is 1-16”
Bullet dia is .431

Back ground =
Bought S&W model 28 barrel that had been bored and rifled to .430
Also found old beater model 28 .

Installed barrel and 44magnum cylinder on model 28.
Had to shorten back of...

Makes sense…I guess my powder is just dried out a bit causing higher velocity with the lighter weight powder.
I may have to run some tests.
Put some powder in a high humidity area for a month,,And ...

Thanks for the info guys!

Looking at videos on powder coating bullets.
And thought ,,why not ask those who actually do it.
What powder do you use, and where is best place to get it?

I understand that …but it has not affected any other powder I have .

My unique is the 8pound jugs, and was opened about a year ago.
Always stored in a dry basement with the cap screwed on.
This is the only powder I use that gives higher fps than manuals list...

Got a chrono a few months back and started checking my hand loads.
My loads were on average 100 fps faster than the manuals show with unique.
Checked with another chrono and the results were the...

I guess my range lead must be close to yours.
Thanks for the info .
Btw I load my 263 grain bullets over 16 grains of 2400 for 1160 fps. From 7 1/2” barrel.

Bullets are dropping at .430

Thanks for the info everybody

Thanks for the reply..Looks like I am in the ball park then with the led mix.

Bought a Ohaus bullet mold for 250 grain Keith SWC .44 cal bullets.
Using range lead that was mostly 80%hard cast of an unknown hardness
And 20% jacked bullets.
My bullets average 263 grains.
I...

Another post looking for info.
How does the Lee liquid lube work on Keith style bullets with the big grease grooves?
Or should I just spend the bucks and get a press for sizing and lubing?

For the record my standard load for the 45 colt is 8.5 gr. Unique with a 255 gr.swc
Been shooting it in Uberti single actions since late 1970’s
So far,,so good.

Thanks everyone for the quick feedback and the info.
Looks like I will be putting my order in today.

Thinking about moving up to casting for center fire hand guns.
Was looking for a good 240-250 grain SWC like the Kieth bullet.
But most are out of my price range.
So I was wondering if anyone uses...

Thanks to all you guys with the info.
And a big thank you to Larry Gibson for all the time and testing he has done.

How much difference in velocities will there be with the same loads when switching from standard to magnum primers in magnum handgun loads?

So you pull your post with info on it because a few “ know it alls” supposedly did t agree with your actual readings?
I posted some velocity readings from a new chrono that seemed way to high for...