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Old 03-31-2013, 12:52 PM
Silver Member
Join Date: Oct 2012
Location: DFW, Texas
Posts: 328
Re: 20-250


Yea i contacted greg and he was very helpful, but told me he is about a year out. What is your process for forming the dies? that for me is the only thing that gives me second thoughts on it.

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Old 03-31-2013, 04:02 PM
Bronze Member
Join Date: Feb 2005
Posts: 48
Re: 20-250

This is my "big twenty" in action. A day of calling after a good snow fall.

It's fairly basic setting up your brass. I use a Redding .22-250 "full length bushing die". The necks need to be reduced using 3 different sized bushings, ( you can't reduce the necks from .224 to .204 with one size bushing) the body does not get altered. The shoulder will fire form slightly after the first firing. My chamber is a "tight neck" and requires neck turning the brass, among other things. I'd be happy to give you all the details, if you so choose to go with it.

Personally, for a Calling rifle, hands down, I prefer the flat trajectory offered by the 40 grain bullet vs. the 55 grain bullets slower velocity/ rainbow trajectory.

Greg is a busy guy, a year is about right and he's not cheap, but you get what you pay for. He has the reamer too and will build the chamber around the "dummy round" you set up. I know he was moving his shop, among other things and I got caught up in it with my last build, it took 18 months. Pretty sure that's behind him now, should be smooth sailing.....

Throat wear is not an issue, certainly not "chasing" the lands. Most always, it's a single shot fired and off to the next stand.
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Old 09-25-2013, 11:51 AM
Junior Member
Join Date: Sep 2012
Posts: 11
Re: 20-250

Nice pile of tails. Was wondering what vel you are running with the 40gr NBT's?

Right now I am messing with a 204AI running 38gr Unmussig's at just over 4100.

Kills coyotes well, but may have to try the 40NBT's also.

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Old 09-26-2013, 01:22 AM
Bronze Member
Join Date: Feb 2005
Posts: 48
Re: 20-250

Hi Kelly!
We finally cross paths, AKA "Sparky" at Huntmasters. Are you using your "Machine Gun" for those loads? LOL.....

At 26.2 grains of VV N550 in Lapua brass and with the 40 grain NBT's, the best I can get is 4115 fps and that's at max pressure, just short of leaving ejector marks on the case head and with a little effort to lift the bolt after firing. I didn't set this caliber up to be conservative. I use to load two different weights for warm/cold days, not anymore.
I find the VV powder a bit temp sensitive, especially here in the desert with the wide temp swings from early mornings to warm afternoons. It seems to be the fastest powder, so I put up with it.

I started out with Don's 38 grain bullets. Tried both the 7 and the 9 Ogive and both failed 50% of the time, would simply "splash" on Coyotes. I was getting 4300 fps using PMC brass with those bullets, what a difference a couple hundred feet per second will do compared to your performance. Maybe his bullets are a bit tougher now? It was 6 years ago when I tried them.
I also tried Berger's and Blitz Kings in 40 grain's and a couple other custom bullets that where suppose to be "bonded" with the same poor results. Wouldn't think of using V Max....

Enter the NBT's with their "solid base". I'll get a splash once in a while on a shoulder hit but will still make a quick kill, I'm convinced the base remains intact and continues through, splash or no splash....

I've seen the difference shooting P-Dogs and Rock Chucks with the Ballistic tip vs. V Max and Blitz Kings, those two are much more explosive. If it wasn't for the Nosler's, I'd be "SOL". They group well too, under an inch at 200.

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Old 09-26-2013, 07:39 AM
Junior Member
Join Date: Sep 2012
Posts: 11
Re: 20-250

thx Gary. So far this year been going back and forth between a 17-204 with 30gr Golds and the 204AI with the 38's.
Looking forward to some cold weather calling.

Sparky - Take care and stay after them...Kelly
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