r/canadaguns • u/ottawafireguy • Aug 07 '26

Misc Remington shotgun extension

Need a magazine extension that is about 10.5” long for my Remington shotgun. What “size” (capacity) is that?
Thanks

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u/ExplosiveFetusActual Aug 07 '26

Are you trying to match the length of the tube to the barrel? If you are, here's a good reference: 12.5" barrel is flush with a 4 round tube. 14" is flush with a +1 on the 4 round tube. 18" = +2. 21" = +3.