Gen9 Comestic Mod

Good day all, has anyone tried to mount this inner barrel and handguard on a JM9? I seem to have issues getting it on.

I could be wrong but I think it’s two pieces. The copper bit goes inside replacing the bit that holds the t-piece and then screw the barrel bit from the outside. But I’m just guessing. Lol

Those barrels do not fit gen9, it even tells you that in the product info

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