Post by: Tight Spin on March 21, 2021, 02:53:18 PM
Post by: Tight Spin on March 21, 2021, 02:58:57 PM
Does anyone use 2400 for loading 38 special. I only have CCI small magnum pistol primers so i see a load using 2400 with the magnum primer. I do have some Unique powder but no standard primers. What would be my best option using the components i have. I am using 158 gr Hornady XTP bullets. Thanks Larry
Post by: GWP on March 21, 2021, 03:13:48 PM
Having loaded a whole lot of 38 special and 357 magnum, from over maxed, to so low I had half a bullet hanging out of a 6" barrel, and testing exactly what you are talking about as far as hot primers vs regular, is, if you load to the middle or lower end of the published specs and substitute the hotter primer, it does not make enough difference to worry about. Back when I did all that I tried different powders, primers, ran them across the chronograph, checked cases and looked for high pressure signs. All good. Like I stated though, middle to low end of published loads.
Different story if you are pushing a load to the max. Then 'substituting' would be a problem.
As I said, my experience. Use at your own risk.
Post by: jasnt on March 21, 2021, 05:20:13 PM
Post by: huntingfool7 on March 21, 2021, 05:40:40 PM
Post by: GWP on March 21, 2021, 05:48:24 PM
Post by: huntingfool7 on March 21, 2021, 06:40:18 PM
Soooo, you are saying if you go the middle to low end of published load data for a 38, but swap out a magnum primer for a standard one, you think it ‘could’ over pressure the round?Sooo I'm saying exactly what I said. Nothing in my post was directed at you. Nor was it argumentative regardless of how you choose to perceive it. Fact is that at 18,000 psi there are no reliable indicators of an overpressure load.
Post by: fly-by on March 21, 2021, 07:16:07 PM
Post by: GWP on March 21, 2021, 07:40:00 PM
Soooo, you are saying if you go the middle to low end of published load data for a 38, but swap out a magnum primer for a standard one, you think it ‘could’ over pressure the round?Sooo I'm saying exactly what I said. Nothing in my post was directed at you. Nor was it argumentative regardless of how you choose to perceive it. Fact is that at 18,000 psi there are no reliable indicators of an overpressure load.
Oops. Didn’t think you were being argumentative, but did think you didn’t read all of my post and were commenting on it. Sorry about that. My bad
Post by: wadu1 on March 21, 2021, 08:00:01 PM
Reference The Firing Line
The only difference between a magnum primer and a standard primer is the priming compound. "... magnum primer does is make more gas. They merely burn a bit hotter for a bit longer. The magnum is a little hotter, but does not add any pressure to the load.
Post by: Tight Spin on March 23, 2021, 11:54:52 AM
Post by: Tight Spin on March 26, 2021, 04:36:22 PM
Post by: GWP on March 26, 2021, 05:28:54 PM
I have some pretty old powders that I would still use without hesitation, but it DOES degrade over time, opened or not.
‘Most’ bullets have a cannelure (like knurling) in a ring around the bullet. Some cast and some ‘plated’ do not have one. The top of the case (particularly for a revolver) needs to be rolled into that pretty good. If there is not one you still roll the top in, just not as much. Have you checked the cylinder spacing on the revolver? Around .006” is ‘usually’ what you are looking for, and excessive is just a pressure waster.
I do some pretty low pressure 38 (680 fps) but it is always best to start pretty high and work down. Depends on the barrel length too. Obviously.
Post by: Tight Spin on March 27, 2021, 10:53:05 AM
Post by: GWP on March 27, 2021, 11:05:24 AM
If you use a faster powder you 'may' be able to get away with no crimp or a lighter crimp. Pulling stuck bullets is no fun though!
Post by: Tight Spin on March 27, 2021, 11:44:33 AM
Post by: Tight Spin on April 02, 2021, 01:48:24 PM
Post by: GWP on April 02, 2021, 04:05:46 PM