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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3

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.

3

u/iatekane Aug 07 '26

Nordic components lists out their various extension lengths and how they compare to various shotgun barrels on their site, probably the easiest way to find out

1

u/ottawafireguy Aug 07 '26

I saw that, thanks

2

u/JinkalinkNinja Aug 07 '26

A shell is 3 inches. Math says you're looking for a 3 shell extension.