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Search took 0.01 seconds. Search: Posts Made By: Carpe Diem
Forum: 257 Cartridge Reloads and reloading 01-04-2006, 12:49 PM
Replies: 1
Views: 4,278
Posted By Carpe Diem
Cool .257 STW is based on the 8mm Mag case: max...

.257 STW is based on the 8mm Mag case: max pressure is 65,000 psi
The max pressure for the .300 WM is 64,000 psi. It's a wash there, but the STW holds a lot more powder.
...
Forum: The .257 Cartridge Rifles and uses 12-20-2005, 03:35 PM
Replies: 9
Views: 16,245
Posted By Carpe Diem
About ten years ago, Rick Jameson in Shooting...

About ten years ago, Rick Jameson in Shooting Times got his first Oehler M43 and tested some of his own maximum loads in the .22-250. He found that even though the loads looked fine in his rifles,...
Forum: AR-15 Topics 12-20-2005, 03:27 PM
Replies: 2
Views: 4,486
Posted By Carpe Diem
Cool Hmmm, overpressure with factory ammo? Looks far...

Hmmm, overpressure with factory ammo? Looks far more like an out-of-battery discharge with high pressure gas vented into the action. I'd expect more barrel/extension damage (sheared lugs, etc.)...
Forum: The .257 Cartridge Rifles and uses 12-19-2005, 10:30 AM
Replies: 9
Views: 16,245
Posted By Carpe Diem
Take much of Ackley's load data with a grain of...

Take much of Ackley's load data with a grain of salt. He developed almost none of it himself, instead relying on data "from various sources", including his customers(!). Modern pressure-tested data...
Forum: 300 Whisper Ammo and Reloading 12-15-2005, 11:42 AM
Replies: 6
Views: 2,973
Posted By Carpe Diem
Cool Perhaps for the same reason that companies supply...

Perhaps for the same reason that companies supply .270 and .280 cases, both easily made from cheap .30-06 brass. Or .243/.260/7-08/.338 Fed/.358 brass which can be made from cheap .308 cases. If...
Forum: The .257 Cartridge Rifles and uses 12-15-2005, 11:37 AM
Replies: 26
Views: 19,642
Posted By Carpe Diem
Cool My M77VT in .243 likes the little 55 BTips too,...

My M77VT in .243 likes the little 55 BTips too, the best of any bullet I've tried - a very picky rifle. 4050 fps is not max but is highly accurate and shoots flatter than any .224-caliber varmint...
Forum: The .257 Cartridge Rifles and uses 12-14-2005, 11:04 AM
Replies: 26
Views: 19,642
Posted By Carpe Diem
Cool Why no .25-08?

The .250 AI is a ballistic twin to the .25 Souper, for all practical purposes at least. While it is a fine cartridge, it didn't set the world on fire as a wildcat like the .243-08 did. The...
Forum: The .257 Cartridge Rifles and uses 12-14-2005, 10:51 AM
Replies: 9
Views: 16,245
Posted By Carpe Diem
Cool The typical Ackley Improved case gives a modest...

The typical Ackley Improved case gives a modest increase in velocity over the parent case - as long as both are loaded to the same pressures. All one has to do is look at modern tested loading data...
Showing results 1 to 8 of 8

 
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