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Short rifled barrel for M1S90 & Practical mag tube ?


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Not sure about the first question, but the magazine is 2 pieces. The first piece is part of the receiver, then the second piece screws onto the first like the 2 or 4 round M1 extentions, but just longer I believe.


You can fit 9 rounds in the magazine and 1 in the chamber for a nice total of 10.


10 full power slugs= ouch.... ;)

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Ya know I'm not really sure. I have the original cap (so it would be identical to a regular M1), but I don't have a standard M1 magazine spring with me.


I am sure that the receiver holds the same as a regualr M1, so if I do the math, that would mean that the practical magazine extension tube is a 6 round extension.


3 rounds (standard M1 mag)

6 rounds (practical mag extension)?

1 round (chamber)

equals 10 rounds total


Assuming that Benelli's site list's the standard M1 as 3+1 doesn't include a plug or anything.


This is obviously using 2 3/4" shells too.

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