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7mm-08 and 162 ELD-M
Sorry for the bore dia. quote... I was thinking about my 22 Creedmoor because that's what I working on right now. -
7mm-08 and 162 ELD-M
What twist are you running? The data you are showing is for 1:9.5 twist... as the twist rate gets faster the pressures increase, as in 1:7 twist. Now please don't take my numbers as gospel, because GRT like QL both are just estimations and only as good as the information inputted into the... -
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7mm-08 and 162 ELD-M
FYI.... I plugged your numbers into GRT and your pressures exceed SAAMI to the tune of +16000 psi on the top end and +5000 on the bottom charge. I wouldn't expect very good brass life at those charges. Probably also be a smart idea to keep an eye on your bolt lugs and check your headspace from... -
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22 Creedmoor twist rate
FYI.... This is where all this becomes confusing and contradictive. I have an article published on loaddata.com dated Sep 13 2022, that gives his recorded load data with velocities from a 1:7 twist bbl using 5 different bullets and 9 different loads per bullet. I used a Bullet Spin Rate... -
Bullet Disintegration
This is where all this becomes confusing and contradictive. I have an article published on loaddata.com dated Sep 13 2022, that gives his recorded load data with velocities from a 1:7 twist bbl using 5 different bullets and 9 different loads per bullet. I used a Bullet Spin Rate Calculator for... -
250 Savage AI or 25 Creedmoor?
The 25 Creedmoor was a copy of the “2Fity-Hillbilly” that was a wildcat back in 2017. I have always wanted a 250 Savage for some unexplained reason. I have two different rifles in 257 Roberts. I only posed the question to find out if there was some "Magic" to the 25 Creed by comparison that I... -
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250 Savage AI or 25 Creedmoor?
I'm looking for some real world experience on these two options. I have been in the process of putting together a 250 Savage AI for a while. I have been collecting brass for some time and have close to 600 pieces, I have the dies and a barrel blank. Now that the 25 Creed has available brass... -
Bullet Disintegration
Thanks to everyone for their comments, much appreciated. -
basement ceiling paint it or sheet rock
I believe the entire Country is starting to feel this way too!- jfjohn77
- Post #8
- Forum: General Discussion Forum
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Bullet Disintegration
I'm curious if there is any published information available as to the Max RPM a given bullet has to kept under before disintegration will start to occur? Do the bullet manufacturers have this info? Or is this something found through trial and error? -
22 Creedmoor twist rate
Well... all I can say is that my Smith is shooting a 22 Creedmoor Improved (40 deg shoulder) with 6.5 tw, and he has no issues 80 gr and up. -
22 Creedmoor twist rate
In the Peterson load data, it states that Sierra recommends a twist rate of 1 in 6.5” or faster for barrels shooting their 95gr HPBT. So I'm a little confused here. -
22 Creedmoor twist rate
What brand of bullets and at what velocities are you fellows experiencing your bullets coming apart? In checking the Berger Twist Rate Stability Calculator, I don't find any issues even going down to their 80gr with a 6.5 tw at 3525 fps. -
22 Creedmoor twist rate
Well I was planning on shooting heavies, but I was just curious about lighter bullets. I read different articles along with Peterson's testing data, and they were all using 7 twist. I was hoping to be able to use this blank only because I had it. -
22 Creedmoor twist rate
I am currently having an X-Caliber barrel with a 6.5 twist rate chambered in 22 Creedmoor. I already had the barrel blank. I have never had a 22 Creedmoor and I am curious as to what the lightest bullet weight that it could reliably be expected to stabilize.
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