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mossberg 500c

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Old 03-16-2012, 07:13 AM   #1
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Does anyone make a mag tube extension kit with barrel if so who makes this and how much? Please and thank you. I'm trying to convert my field gun into a proper hd or tac. I can find them for the 12 ga but not for the 20 ga
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Old 03-16-2012, 07:22 AM   #2
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That is one of the limitations of the 500, capacity. It will likely cost more than reasonable to change out the mag tube and barrel. Money better spend on a more flexible platform like the 590
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Old 03-16-2012, 01:01 PM   #3
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How is the barrel attached to your 500c? Does the barrel have a ring that the magazine tube goes through or does the barrel screw into the magazine tube? The only way you are going to get a mag extension is if the barrel has the ring mount.
I bought a +1 from Nordic Components, They appear to have 20ga. goodies, But it looks like none are for Mossbergs.
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Old 03-16-2012, 01:20 PM   #4
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I replied in the other thread you posted on this matter here on FTF, so I'll just repeat what I said over there:

I've seen them before, but the problem with the Mossbergs is that you don't just add a mag. tube extension like on the Remingtons, but rather a whole new longer mag. tube. Then you need a different special barrel to accomodate the longer mag. tube where the barrel lug goes over the end of the mag. tube at the point where the mag. tube cap screws onto it. Not many places sell that sort of thing though. That's why the Remingtons are so popular, Mossberg sort'a screwed themselves on that design.

With the +2 extension on a 18 1/2" barreled Remington I get 6+1 shot, in my standard Mossberg with an 18 1/2" barrel installed I get 5+1. The one shot difference really isn't worth the extra cost or trouble to get an extension, so I just live with it.

You're more likely to find a 18 1/2" barrel for the Mossberg in the standard mag. tube length configuration than in the extended configuration. The 20 ga. part puts a whole extra twist on finding one though. As I'm sure you've already found out, 12 ga. barrels are plentiful, 20 ga. barels are tough to find. That's somewhat weird too, because IMO the 20 ga. makes an ideal HD shotgun.
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