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View Full Version : SW 4506-1. From 45 acp to super


Krazykarl
08-09-23, 06:20
What spring weight do I need in order to experiment with 45 Super in my SW 4506-1?

Is a recoil spring conversion the only step required to transition to the higher pressure cartridge?

Will this simple fix sooth my desire for a 10mm? Ah! Only I can know that. But! Anyone here find that the 45 Super does scratch that itch?
mark5pt56
08-09-23, 06:41
Question should be how long will my frame last?

Unknown with the .45, but I managed to crack a couple each of the alloy and steel 59/6906 frames.

I would say your choices are smack your hand with a mallet or pick a decent 10mm if you want more power.
Krazykarl
08-09-23, 07:50
The purpose of the handgun will be backcountry hiking protection. Michigan and Indiana. Moose, black bear, and human miscreants. I have been using my SW 6" 41magnum. I do like double action revolvers. Just testing the waters of the semiautomatic world before I commit $$$ towards a G20.
Ron3
08-09-23, 09:02
The purpose of the handgun will be backcountry hiking protection. Michigan and Indiana. Moose, black bear, and human miscreants. I have been using my SW 6" 41magnum. I do like double action revolvers. Just testing the waters of the semiautomatic world before I commit $$$ towards a G20.

Dude, take the .41 mag! Do you reload for it? You should. Can make .41 Specials & such.

But yea, .45 Super will scratch that itch.

I didn't know a 4506 could manage it. I'd feel better were it an HK.
Krazykarl
08-09-23, 09:07
My current handload for the 41 magnum is 230gr hardcast at 1250fps.

I read somewhere in John Linebaugh's observations that 1200 fps is the desired velocity. Just get that big bullet moving and let it cut and penetrate.
GNXII
08-09-23, 09:56
Yeah man, stick with the 41Mag. That hogleg round , properly loaded, will wreck a bear, moose etc. Although I’d prefer an 870/1301 with slugs & buck,lol! The 4506 is discontinued and parts ain’t that easy to find as you probably know. Why push the platform to the breaking point literally with a somewhat obscure round with questionable record on those critters you mentioned. A dedicated 10mm platform will do the job and there a few choices out there. As an older, wiser gunsmith once told me, stick with the caliber roll marked on the gun for accuracy, reliability etc.