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Old September 8, 2013, 11:10 AM   #1
WIN1886
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Fully supported chambers for .45 ACP +P ?

This picture shows the .45 acp cartridge inserted into the chamber of my S&W 4506 barrel.....my camera skills are lacking but hopefully you can see the case exposure going up the feed ramp ! I'm not sure what is considered supported and non- supported as far as how much case is exposed beyond the extractor groove ! There is only a slight smile of brass showing right under the feed ramp on mine ! So what would you consider my chamber as ? Thanks !
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Old September 8, 2013, 12:25 PM   #2
RickB
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Usually, a .45 ACP barrel with a ramp is considered supported. All .45 ACP ammo is designed to be fired in the unsupported barrels of "1911s", so your Smith should certainly be able to handle +P.
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Old September 8, 2013, 01:19 PM   #3
Ridgerunner665
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That is a supported chamber...
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Old September 8, 2013, 08:33 PM   #4
6.8
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I think their is one at my LGS. I'll check it. That gun has a rep for being one of the toughest factory 45's ever built. I've got the 4566tsw variant and I've "never" seen a bbl with more chamber support. But it may be slightly diff. Than yours.
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Old September 10, 2013, 05:36 PM   #5
WIN1886
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Quote:
That gun has a rep of being one of the toughest factory 45's ever built.
Yes , I heard that rumor and I'm hoping it is true !
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Old September 10, 2013, 05:50 PM   #6
Dan-O
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Yep. The Gen 3 Smittys have some of the best chamber support around. And yet they feed empty cases from the mag....go figure.
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