CZ93X62
Official forum enigma
These sorts of discussions--carried on respectfully and informatively--are what I missed while I was away from the site. So darn good! It is GREAT to be "home".
I REALLY like that "more-angular" taper-crimp form as shown in the green-bullet photo. Are the dies that produce this effect commercially-available tools? I have been able to produce reliable ammo using RCBS roll-crimp seater dies (gently), dedicated T/C-only dies in 9mm and 45 ACP, and in 40 S&W/10mm with the re-adjusted taper-crimper/seater die after completion of bullet seating. My thoughts--in absence of actual use--are that the angular form is a superior design. If such T/C dies are obtainable, these would make cool Christmas gifts from SWMBO.
The only 45 ACP barrels I have ever tried cast bullets sized to .454" within are from Glock pistols, and that is only because the "lobe span" groove diameter was .453" in all 3 of them. They all fed reliably, but I should add here that bullet ogives and shoulders didn't seem to get involved with throats much, if at all. Lyman #452374 (which just barely "cleaned up" in the .454" H&I die) plunked into chambers very happily, and fell free when the barrel was inverted. Same story with Ly #452460, Lee 200 grain H&G #68 plagiarizer, and the Lee 230 grain TC/conventional groove. These last 3 designs all had only .020" of drive band/shoulder extending outside the case mouths. Case expansion from the Glocks was compared to expansion from my Series 80 Gold Cup and SIG P-220, and diameters were all within .001"-.002" of each other. FWIW.
I REALLY like that "more-angular" taper-crimp form as shown in the green-bullet photo. Are the dies that produce this effect commercially-available tools? I have been able to produce reliable ammo using RCBS roll-crimp seater dies (gently), dedicated T/C-only dies in 9mm and 45 ACP, and in 40 S&W/10mm with the re-adjusted taper-crimper/seater die after completion of bullet seating. My thoughts--in absence of actual use--are that the angular form is a superior design. If such T/C dies are obtainable, these would make cool Christmas gifts from SWMBO.
The only 45 ACP barrels I have ever tried cast bullets sized to .454" within are from Glock pistols, and that is only because the "lobe span" groove diameter was .453" in all 3 of them. They all fed reliably, but I should add here that bullet ogives and shoulders didn't seem to get involved with throats much, if at all. Lyman #452374 (which just barely "cleaned up" in the .454" H&I die) plunked into chambers very happily, and fell free when the barrel was inverted. Same story with Ly #452460, Lee 200 grain H&G #68 plagiarizer, and the Lee 230 grain TC/conventional groove. These last 3 designs all had only .020" of drive band/shoulder extending outside the case mouths. Case expansion from the Glocks was compared to expansion from my Series 80 Gold Cup and SIG P-220, and diameters were all within .001"-.002" of each other. FWIW.