Recent content by joe4570

The only thing that requires a little caution is that it should be a good quality 1911 type, not one of the imported models with spot hardening and low grade cast parts or early dimension ejector and timed to ACP pressure.

45 ACP 21,000 PSI 45 ACP +p 23,000 PSI 45 Super 28,000 PSI 460 Rowland 38,000 PSI 10mm 32,000 + a bit The steroid version of the 45 ACP is the Rowland which is being set up as kits in ever smaller and lighter packages . The only problem I have with the gun is that they always seem to end up in...

Not necessarily, although I always work up loads with an OAL gauge and a comparator. The Stony Point (Hornady) gauge is inexpensive, reliable and easy to use. Of course the second COL check, as already pointed out in this thread, is making sure the cartridge also clears the magazine, feeds up...

Or maybe the dynamic is not so much related to the physical distance from the lands or leade in terms of bullet support, but rather to the change in case volume caused my moving the bullet into or out of the case and the associated change in start pressure.

This one may contain a little more detail in illustration and description. It's a really handy piece of equipment to have around. Real Guns - Gauges