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Showing results for tags 'capacity'.
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I am confused about the specs for shotguns. I am comparing two Mossberg pump action 590a1 shotguns: An 18.5" barrel model has an overall length of 39.5" and holds 6 shells (+ 1 in the chamber). http://www.mossberg.com/product/590a1-7-shot-50776/ A 20" barrel model has an overall length of 41" and hold 8 shells (+ 1 in the chamber). It is 1.5" longer than the 18" barrel and 1.5" longer overall length. http://www.mossberg.com/product/590a1-9-shot-51660/ Both magazine tubes seem to go the full length of the barrel. So how does adding 1.5" to the barrel length add 2 more 2.75" shell capacity? The only thing I can think of is that the magazines have plugs to limit the number of shells but I am not sure why they would do this. Thanks.
Has anyone tried to add +2 or whatever to their ban-state 10-rd Glock mags? I know there are a bunch of different aftermarket baseplates out there for Glock mags, but they all say "not for 10-rd mags" due to the different internal geometry of limited mags. I've got a Glock 17 with a bunch of 10-rd mags, and i wanted to add capacity. Has anyone been able to figure this out? Ultimately, i'm buying some of PK90's 15-rd Glock 17 mags, but was hoping i could so SOMETHING with my existing 10-rounders.